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Finding the Fourth Proportional to 6,397.24, 8,829.42 and 3,602.76

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Solution

The fourth proportional to 6,397.24, 8,829.42 and 3,602.76 is: 4,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.24 : 8,829.42 = 3,602.76 : x
  2. Step 2: Convert to fraction form
    6,397.24/8,829.42 = 3,602.76/x
  3. Step 3: Cross multiply
    6,397.24x = 8,829.42 × 3,602.76
  4. Step 4: Simplify right side
    6,397.24x = 31,810,281.20
  5. Step 5: Solve for x
    x = 31,810,281.20/6,397.24
  6. Step 6: Final answer
    x = 4,972.50

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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.