Home / 4,248.76-6,373.17-1,287.21

Finding the Fourth Proportional to 4,248.76, 6,373.17 and 1,287.21

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Solution

The fourth proportional to 4,248.76, 6,373.17 and 1,287.21 is: 1,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,248.76 : 6,373.17 = 1,287.21 : x
  2. Step 2: Convert to fraction form
    4,248.76/6,373.17 = 1,287.21/x
  3. Step 3: Cross multiply
    4,248.76x = 6,373.17 × 1,287.21
  4. Step 4: Simplify right side
    4,248.76x = 8,203,608.16
  5. Step 5: Solve for x
    x = 8,203,608.16/4,248.76
  6. Step 6: Final answer
    x = 1,930.82

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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.