Home / 5,471.20-8,208.24-1,575.52

Finding the Fourth Proportional to 5,471.20, 8,208.24 and 1,575.52

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Solution

The fourth proportional to 5,471.20, 8,208.24 and 1,575.52 is: 2,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.20 : 8,208.24 = 1,575.52 : x
  2. Step 2: Convert to fraction form
    5,471.20/8,208.24 = 1,575.52/x
  3. Step 3: Cross multiply
    5,471.20x = 8,208.24 × 1,575.52
  4. Step 4: Simplify right side
    5,471.20x = 12,932,246.28
  5. Step 5: Solve for x
    x = 12,932,246.28/5,471.20
  6. Step 6: Final answer
    x = 2,363.69

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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.