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Finding the Fourth Proportional to 8,389.39, 12,593.82 and 4,501.39

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Solution

The fourth proportional to 8,389.39, 12,593.82 and 4,501.39 is: 6,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.39 : 12,593.82 = 4,501.39 : x
  2. Step 2: Convert to fraction form
    8,389.39/12,593.82 = 4,501.39/x
  3. Step 3: Cross multiply
    8,389.39x = 12,593.82 × 4,501.39
  4. Step 4: Simplify right side
    8,389.39x = 56,689,695.41
  5. Step 5: Solve for x
    x = 56,689,695.41/8,389.39
  6. Step 6: Final answer
    x = 6,757.31

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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.