Home / 8,471.19-12,704.38-5,346.52

Finding the Fourth Proportional to 8,471.19, 12,704.38 and 5,346.52

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Solution

The fourth proportional to 8,471.19, 12,704.38 and 5,346.52 is: 8,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.19 : 12,704.38 = 5,346.52 : x
  2. Step 2: Convert to fraction form
    8,471.19/12,704.38 = 5,346.52/x
  3. Step 3: Cross multiply
    8,471.19x = 12,704.38 × 5,346.52
  4. Step 4: Simplify right side
    8,471.19x = 67,924,158.24
  5. Step 5: Solve for x
    x = 67,924,158.24/8,471.19
  6. Step 6: Final answer
    x = 8,018.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.