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Finding the Fourth Proportional to 6,353.77, 8,768.40 and 3,520.88

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Solution

The fourth proportional to 6,353.77, 8,768.40 and 3,520.88 is: 4,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.77 : 8,768.40 = 3,520.88 : x
  2. Step 2: Convert to fraction form
    6,353.77/8,768.40 = 3,520.88/x
  3. Step 3: Cross multiply
    6,353.77x = 8,768.40 × 3,520.88
  4. Step 4: Simplify right side
    6,353.77x = 30,872,506.11
  5. Step 5: Solve for x
    x = 30,872,506.11/6,353.77
  6. Step 6: Final answer
    x = 4,858.93

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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.