Home / 5,612.28-8,418.47-2,491.45

Finding the Fourth Proportional to 5,612.28, 8,418.47 and 2,491.45

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Solution

The fourth proportional to 5,612.28, 8,418.47 and 2,491.45 is: 3,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.28 : 8,418.47 = 2,491.45 : x
  2. Step 2: Convert to fraction form
    5,612.28/8,418.47 = 2,491.45/x
  3. Step 3: Cross multiply
    5,612.28x = 8,418.47 × 2,491.45
  4. Step 4: Simplify right side
    5,612.28x = 20,974,184.62
  5. Step 5: Solve for x
    x = 20,974,184.62/5,612.28
  6. Step 6: Final answer
    x = 3,737.19

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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.