Home / 5,471.30-7,541.30-3,875.90

Finding the Fourth Proportional to 5,471.30, 7,541.30 and 3,875.90

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Solution

The fourth proportional to 5,471.30, 7,541.30 and 3,875.90 is: 5,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.30 : 7,541.30 = 3,875.90 : x
  2. Step 2: Convert to fraction form
    5,471.30/7,541.30 = 3,875.90/x
  3. Step 3: Cross multiply
    5,471.30x = 7,541.30 × 3,875.90
  4. Step 4: Simplify right side
    5,471.30x = 29,229,267.58
  5. Step 5: Solve for x
    x = 29,229,267.58/5,471.30
  6. Step 6: Final answer
    x = 5,342.29

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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.