Home / 7,396.20-10,206.18-4,251.78

Finding the Fourth Proportional to 7,396.20, 10,206.18 and 4,251.78

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Solution

The fourth proportional to 7,396.20, 10,206.18 and 4,251.78 is: 5,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.20 : 10,206.18 = 4,251.78 : x
  2. Step 2: Convert to fraction form
    7,396.20/10,206.18 = 4,251.78/x
  3. Step 3: Cross multiply
    7,396.20x = 10,206.18 × 4,251.78
  4. Step 4: Simplify right side
    7,396.20x = 43,394,432.00
  5. Step 5: Solve for x
    x = 43,394,432.00/7,396.20
  6. Step 6: Final answer
    x = 5,867.13

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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.