Home / 4,589.90-6,884.87-1,127.15

Finding the Fourth Proportional to 4,589.90, 6,884.87 and 1,127.15

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Solution

The fourth proportional to 4,589.90, 6,884.87 and 1,127.15 is: 1,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.90 : 6,884.87 = 1,127.15 : x
  2. Step 2: Convert to fraction form
    4,589.90/6,884.87 = 1,127.15/x
  3. Step 3: Cross multiply
    4,589.90x = 6,884.87 × 1,127.15
  4. Step 4: Simplify right side
    4,589.90x = 7,760,241.16
  5. Step 5: Solve for x
    x = 7,760,241.16/4,589.90
  6. Step 6: Final answer
    x = 1,690.72

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Similar ratio
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1.5x scale

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.