Home / 6,347.20-8,759.31-3,552.70

Finding the Fourth Proportional to 6,347.20, 8,759.31 and 3,552.70

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Solution

The fourth proportional to 6,347.20, 8,759.31 and 3,552.70 is: 4,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.20 : 8,759.31 = 3,552.70 : x
  2. Step 2: Convert to fraction form
    6,347.20/8,759.31 = 3,552.70/x
  3. Step 3: Cross multiply
    6,347.20x = 8,759.31 × 3,552.70
  4. Step 4: Simplify right side
    6,347.20x = 31,119,200.64
  5. Step 5: Solve for x
    x = 31,119,200.64/6,347.20
  6. Step 6: Final answer
    x = 4,902.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.