Home / 9,071.86-12,519.05-5,092.87

Finding the Fourth Proportional to 9,071.86, 12,519.05 and 5,092.87

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Solution

The fourth proportional to 9,071.86, 12,519.05 and 5,092.87 is: 7,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.86 : 12,519.05 = 5,092.87 : x
  2. Step 2: Convert to fraction form
    9,071.86/12,519.05 = 5,092.87/x
  3. Step 3: Cross multiply
    9,071.86x = 12,519.05 × 5,092.87
  4. Step 4: Simplify right side
    9,071.86x = 63,757,894.17
  5. Step 5: Solve for x
    x = 63,757,894.17/9,071.86
  6. Step 6: Final answer
    x = 7,028.10

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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.