Home / 5,626.20-8,439.28-1,522.20

Finding the Fourth Proportional to 5,626.20, 8,439.28 and 1,522.20

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Solution

The fourth proportional to 5,626.20, 8,439.28 and 1,522.20 is: 2,283.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.20 : 8,439.28 = 1,522.20 : x
  2. Step 2: Convert to fraction form
    5,626.20/8,439.28 = 1,522.20/x
  3. Step 3: Cross multiply
    5,626.20x = 8,439.28 × 1,522.20
  4. Step 4: Simplify right side
    5,626.20x = 12,846,272.02
  5. Step 5: Solve for x
    x = 12,846,272.02/5,626.20
  6. Step 6: Final answer
    x = 2,283.29

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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.