Home / 8,755.91-13,127.68-4,370.28

Finding the Fourth Proportional to 8,755.91, 13,127.68 and 4,370.28

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Solution

The fourth proportional to 8,755.91, 13,127.68 and 4,370.28 is: 6,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.91 : 13,127.68 = 4,370.28 : x
  2. Step 2: Convert to fraction form
    8,755.91/13,127.68 = 4,370.28/x
  3. Step 3: Cross multiply
    8,755.91x = 13,127.68 × 4,370.28
  4. Step 4: Simplify right side
    8,755.91x = 57,371,637.35
  5. Step 5: Solve for x
    x = 57,371,637.35/8,755.91
  6. Step 6: Final answer
    x = 6,552.33

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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.