Home / 5,285.20-7,932.60-3,555.04

Finding the Fourth Proportional to 5,285.20, 7,932.60 and 3,555.04

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Solution

The fourth proportional to 5,285.20, 7,932.60 and 3,555.04 is: 5,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.20 : 7,932.60 = 3,555.04 : x
  2. Step 2: Convert to fraction form
    5,285.20/7,932.60 = 3,555.04/x
  3. Step 3: Cross multiply
    5,285.20x = 7,932.60 × 3,555.04
  4. Step 4: Simplify right side
    5,285.20x = 28,200,710.30
  5. Step 5: Solve for x
    x = 28,200,710.30/5,285.20
  6. Step 6: Final answer
    x = 5,335.79

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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.