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Finding the Fourth Proportional to 8,975.55, 13,463.33 and 4,039.42

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Solution

The fourth proportional to 8,975.55, 13,463.33 and 4,039.42 is: 6,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.55 : 13,463.33 = 4,039.42 : x
  2. Step 2: Convert to fraction form
    8,975.55/13,463.33 = 4,039.42/x
  3. Step 3: Cross multiply
    8,975.55x = 13,463.33 × 4,039.42
  4. Step 4: Simplify right side
    8,975.55x = 54,384,044.47
  5. Step 5: Solve for x
    x = 54,384,044.47/8,975.55
  6. Step 6: Final answer
    x = 6,059.13

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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.