Home / 5,622.48-8,440.20-3,445.20

Finding the Fourth Proportional to 5,622.48, 8,440.20 and 3,445.20

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Solution

The fourth proportional to 5,622.48, 8,440.20 and 3,445.20 is: 5,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.48 : 8,440.20 = 3,445.20 : x
  2. Step 2: Convert to fraction form
    5,622.48/8,440.20 = 3,445.20/x
  3. Step 3: Cross multiply
    5,622.48x = 8,440.20 × 3,445.20
  4. Step 4: Simplify right side
    5,622.48x = 29,078,177.04
  5. Step 5: Solve for x
    x = 29,078,177.04/5,622.48
  6. Step 6: Final answer
    x = 5,171.77

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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.