Home / 5,280.10-7,904.37-3,193.79

Finding the Fourth Proportional to 5,280.10, 7,904.37 and 3,193.79

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Solution

The fourth proportional to 5,280.10, 7,904.37 and 3,193.79 is: 4,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.10 : 7,904.37 = 3,193.79 : x
  2. Step 2: Convert to fraction form
    5,280.10/7,904.37 = 3,193.79/x
  3. Step 3: Cross multiply
    5,280.10x = 7,904.37 × 3,193.79
  4. Step 4: Simplify right side
    5,280.10x = 25,244,897.86
  5. Step 5: Solve for x
    x = 25,244,897.86/5,280.10
  6. Step 6: Final answer
    x = 4,781.14

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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.