Home / 9,371.42-12,932.83-5,122.71

Finding the Fourth Proportional to 9,371.42, 12,932.83 and 5,122.71

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Solution

The fourth proportional to 9,371.42, 12,932.83 and 5,122.71 is: 7,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.42 : 12,932.83 = 5,122.71 : x
  2. Step 2: Convert to fraction form
    9,371.42/12,932.83 = 5,122.71/x
  3. Step 3: Cross multiply
    9,371.42x = 12,932.83 × 5,122.71
  4. Step 4: Simplify right side
    9,371.42x = 66,251,124.76
  5. Step 5: Solve for x
    x = 66,251,124.76/9,371.42
  6. Step 6: Final answer
    x = 7,069.49

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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.