Home / 5,612.42-8,418.63-2,491.70

Finding the Fourth Proportional to 5,612.42, 8,418.63 and 2,491.70

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Solution

The fourth proportional to 5,612.42, 8,418.63 and 2,491.70 is: 3,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.42 : 8,418.63 = 2,491.70 : x
  2. Step 2: Convert to fraction form
    5,612.42/8,418.63 = 2,491.70/x
  3. Step 3: Cross multiply
    5,612.42x = 8,418.63 × 2,491.70
  4. Step 4: Simplify right side
    5,612.42x = 20,976,667.62
  5. Step 5: Solve for x
    x = 20,976,667.62/5,612.42
  6. Step 6: Final answer
    x = 3,737.54

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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.