Home / 5,392.30-7,438.08-3,292.78

Finding the Fourth Proportional to 5,392.30, 7,438.08 and 3,292.78

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Solution

The fourth proportional to 5,392.30, 7,438.08 and 3,292.78 is: 4,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.30 : 7,438.08 = 3,292.78 : x
  2. Step 2: Convert to fraction form
    5,392.30/7,438.08 = 3,292.78/x
  3. Step 3: Cross multiply
    5,392.30x = 7,438.08 × 3,292.78
  4. Step 4: Simplify right side
    5,392.30x = 24,491,961.06
  5. Step 5: Solve for x
    x = 24,491,961.06/5,392.30
  6. Step 6: Final answer
    x = 4,542.02

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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.