Home / 5,947.62-8,211.70-3,710.40

Finding the Fourth Proportional to 5,947.62, 8,211.70 and 3,710.40

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Solution

The fourth proportional to 5,947.62, 8,211.70 and 3,710.40 is: 5,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.62 : 8,211.70 = 3,710.40 : x
  2. Step 2: Convert to fraction form
    5,947.62/8,211.70 = 3,710.40/x
  3. Step 3: Cross multiply
    5,947.62x = 8,211.70 × 3,710.40
  4. Step 4: Simplify right side
    5,947.62x = 30,468,691.68
  5. Step 5: Solve for x
    x = 30,468,691.68/5,947.62
  6. Step 6: Final answer
    x = 5,122.84

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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.