Home / 5,589.64-8,385.54-1,892.47

Finding the Fourth Proportional to 5,589.64, 8,385.54 and 1,892.47

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Solution

The fourth proportional to 5,589.64, 8,385.54 and 1,892.47 is: 2,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.64 : 8,385.54 = 1,892.47 : x
  2. Step 2: Convert to fraction form
    5,589.64/8,385.54 = 1,892.47/x
  3. Step 3: Cross multiply
    5,589.64x = 8,385.54 × 1,892.47
  4. Step 4: Simplify right side
    5,589.64x = 15,869,382.88
  5. Step 5: Solve for x
    x = 15,869,382.88/5,589.64
  6. Step 6: Final answer
    x = 2,839.07

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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.