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Finding the Fourth Proportional to 6,433.86, 9,654.50 and 3,472.30

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Solution

The fourth proportional to 6,433.86, 9,654.50 and 3,472.30 is: 5,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.86 : 9,654.50 = 3,472.30 : x
  2. Step 2: Convert to fraction form
    6,433.86/9,654.50 = 3,472.30/x
  3. Step 3: Cross multiply
    6,433.86x = 9,654.50 × 3,472.30
  4. Step 4: Simplify right side
    6,433.86x = 33,523,320.35
  5. Step 5: Solve for x
    x = 33,523,320.35/6,433.86
  6. Step 6: Final answer
    x = 5,210.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.