Home / 7,384.91-11,034.12-7,126.52

Finding the Fourth Proportional to 7,384.91, 11,034.12 and 7,126.52

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Solution

The fourth proportional to 7,384.91, 11,034.12 and 7,126.52 is: 10,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.91 : 11,034.12 = 7,126.52 : x
  2. Step 2: Convert to fraction form
    7,384.91/11,034.12 = 7,126.52/x
  3. Step 3: Cross multiply
    7,384.91x = 11,034.12 × 7,126.52
  4. Step 4: Simplify right side
    7,384.91x = 78,634,788.29
  5. Step 5: Solve for x
    x = 78,634,788.29/7,384.91
  6. Step 6: Final answer
    x = 10,648.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.