Home / 5,612.44-8,418.78-2,687.53

Finding the Fourth Proportional to 5,612.44, 8,418.78 and 2,687.53

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Solution

The fourth proportional to 5,612.44, 8,418.78 and 2,687.53 is: 4,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.44 : 8,418.78 = 2,687.53 : x
  2. Step 2: Convert to fraction form
    5,612.44/8,418.78 = 2,687.53/x
  3. Step 3: Cross multiply
    5,612.44x = 8,418.78 × 2,687.53
  4. Step 4: Simplify right side
    5,612.44x = 22,625,723.81
  5. Step 5: Solve for x
    x = 22,625,723.81/5,612.44
  6. Step 6: Final answer
    x = 4,031.35

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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.