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Finding the Fourth Proportional to 6,459.92, 8,926.92 and 5,502.69

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Solution

The fourth proportional to 6,459.92, 8,926.92 and 5,502.69 is: 7,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.92 : 8,926.92 = 5,502.69 : x
  2. Step 2: Convert to fraction form
    6,459.92/8,926.92 = 5,502.69/x
  3. Step 3: Cross multiply
    6,459.92x = 8,926.92 × 5,502.69
  4. Step 4: Simplify right side
    6,459.92x = 49,122,073.41
  5. Step 5: Solve for x
    x = 49,122,073.41/6,459.92
  6. Step 6: Final answer
    x = 7,604.14

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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.