Home / 8,370.73-11,553.20-5,538.16

Finding the Fourth Proportional to 8,370.73, 11,553.20 and 5,538.16

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Solution

The fourth proportional to 8,370.73, 11,553.20 and 5,538.16 is: 7,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.73 : 11,553.20 = 5,538.16 : x
  2. Step 2: Convert to fraction form
    8,370.73/11,553.20 = 5,538.16/x
  3. Step 3: Cross multiply
    8,370.73x = 11,553.20 × 5,538.16
  4. Step 4: Simplify right side
    8,370.73x = 63,983,470.11
  5. Step 5: Solve for x
    x = 63,983,470.11/8,370.73
  6. Step 6: Final answer
    x = 7,643.71

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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.