Home / 8,387.61-11,575.44-5,030.57

Finding the Fourth Proportional to 8,387.61, 11,575.44 and 5,030.57

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Solution

The fourth proportional to 8,387.61, 11,575.44 and 5,030.57 is: 6,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.61 : 11,575.44 = 5,030.57 : x
  2. Step 2: Convert to fraction form
    8,387.61/11,575.44 = 5,030.57/x
  3. Step 3: Cross multiply
    8,387.61x = 11,575.44 × 5,030.57
  4. Step 4: Simplify right side
    8,387.61x = 58,231,061.20
  5. Step 5: Solve for x
    x = 58,231,061.20/8,387.61
  6. Step 6: Final answer
    x = 6,942.51

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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.