Home / 6,391.20-9,592.20-2,498.40

Finding the Fourth Proportional to 6,391.20, 9,592.20 and 2,498.40

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Solution

The fourth proportional to 6,391.20, 9,592.20 and 2,498.40 is: 3,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.20 : 9,592.20 = 2,498.40 : x
  2. Step 2: Convert to fraction form
    6,391.20/9,592.20 = 2,498.40/x
  3. Step 3: Cross multiply
    6,391.20x = 9,592.20 × 2,498.40
  4. Step 4: Simplify right side
    6,391.20x = 23,965,152.48
  5. Step 5: Solve for x
    x = 23,965,152.48/6,391.20
  6. Step 6: Final answer
    x = 3,749.71

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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.