Home / 6,239.50-8,610.51-3,445.18

Finding the Fourth Proportional to 6,239.50, 8,610.51 and 3,445.18

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Solution

The fourth proportional to 6,239.50, 8,610.51 and 3,445.18 is: 4,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.50 : 8,610.51 = 3,445.18 : x
  2. Step 2: Convert to fraction form
    6,239.50/8,610.51 = 3,445.18/x
  3. Step 3: Cross multiply
    6,239.50x = 8,610.51 × 3,445.18
  4. Step 4: Simplify right side
    6,239.50x = 29,664,756.84
  5. Step 5: Solve for x
    x = 29,664,756.84/6,239.50
  6. Step 6: Final answer
    x = 4,754.35

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Half scale
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Double scale
Find fourth proportional to 6,240.50, 8,611.89 and 3,446.18
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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.