Home / 10,390.25-15,586.19-3,464.75

Finding the Fourth Proportional to 10,390.25, 15,586.19 and 3,464.75

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Solution

The fourth proportional to 10,390.25, 15,586.19 and 3,464.75 is: 5,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.25 : 15,586.19 = 3,464.75 : x
  2. Step 2: Convert to fraction form
    10,390.25/15,586.19 = 3,464.75/x
  3. Step 3: Cross multiply
    10,390.25x = 15,586.19 × 3,464.75
  4. Step 4: Simplify right side
    10,390.25x = 54,002,251.80
  5. Step 5: Solve for x
    x = 54,002,251.80/10,390.25
  6. Step 6: Final answer
    x = 5,197.40

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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.