Home / 8,471.54-11,689.36-5,325.50

Finding the Fourth Proportional to 8,471.54, 11,689.36 and 5,325.50

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Solution

The fourth proportional to 8,471.54, 11,689.36 and 5,325.50 is: 7,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.54 : 11,689.36 = 5,325.50 : x
  2. Step 2: Convert to fraction form
    8,471.54/11,689.36 = 5,325.50/x
  3. Step 3: Cross multiply
    8,471.54x = 11,689.36 × 5,325.50
  4. Step 4: Simplify right side
    8,471.54x = 62,251,614.92
  5. Step 5: Solve for x
    x = 62,251,614.92/8,471.54
  6. Step 6: Final answer
    x = 7,348.33

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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.