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Finding the Fourth Proportional to 8,459.01, 12,688.50 and 4,301.88

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Solution

The fourth proportional to 8,459.01, 12,688.50 and 4,301.88 is: 6,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.01 : 12,688.50 = 4,301.88 : x
  2. Step 2: Convert to fraction form
    8,459.01/12,688.50 = 4,301.88/x
  3. Step 3: Cross multiply
    8,459.01x = 12,688.50 × 4,301.88
  4. Step 4: Simplify right side
    8,459.01x = 54,584,404.38
  5. Step 5: Solve for x
    x = 54,584,404.38/8,459.01
  6. Step 6: Final answer
    x = 6,452.81

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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.