Home / 5,612.17-8,418.30-2,491.34

Finding the Fourth Proportional to 5,612.17, 8,418.30 and 2,491.34

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Solution

The fourth proportional to 5,612.17, 8,418.30 and 2,491.34 is: 3,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.17 : 8,418.30 = 2,491.34 : x
  2. Step 2: Convert to fraction form
    5,612.17/8,418.30 = 2,491.34/x
  3. Step 3: Cross multiply
    5,612.17x = 8,418.30 × 2,491.34
  4. Step 4: Simplify right side
    5,612.17x = 20,972,847.52
  5. Step 5: Solve for x
    x = 20,972,847.52/5,612.17
  6. Step 6: Final answer
    x = 3,737.03

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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.