Home / 5,287.08-7,919.46-3,432.66

Finding the Fourth Proportional to 5,287.08, 7,919.46 and 3,432.66

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Solution

The fourth proportional to 5,287.08, 7,919.46 and 3,432.66 is: 5,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.08 : 7,919.46 = 3,432.66 : x
  2. Step 2: Convert to fraction form
    5,287.08/7,919.46 = 3,432.66/x
  3. Step 3: Cross multiply
    5,287.08x = 7,919.46 × 3,432.66
  4. Step 4: Simplify right side
    5,287.08x = 27,184,813.56
  5. Step 5: Solve for x
    x = 27,184,813.56/5,287.08
  6. Step 6: Final answer
    x = 5,141.74

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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.