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Finding the Fourth Proportional to 6,243.11, 8,615.51 and 3,410.51

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Solution

The fourth proportional to 6,243.11, 8,615.51 and 3,410.51 is: 4,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.11 : 8,615.51 = 3,410.51 : x
  2. Step 2: Convert to fraction form
    6,243.11/8,615.51 = 3,410.51/x
  3. Step 3: Cross multiply
    6,243.11x = 8,615.51 × 3,410.51
  4. Step 4: Simplify right side
    6,243.11x = 29,383,267.98
  5. Step 5: Solve for x
    x = 29,383,267.98/6,243.11
  6. Step 6: Final answer
    x = 4,706.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 6,244.11, 8,616.89 and 3,411.51
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.