Home / 6,780.31-10,171.98-2,398.11

Finding the Fourth Proportional to 6,780.31, 10,171.98 and 2,398.11

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Solution

The fourth proportional to 6,780.31, 10,171.98 and 2,398.11 is: 3,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.31 : 10,171.98 = 2,398.11 : x
  2. Step 2: Convert to fraction form
    6,780.31/10,171.98 = 2,398.11/x
  3. Step 3: Cross multiply
    6,780.31x = 10,171.98 × 2,398.11
  4. Step 4: Simplify right side
    6,780.31x = 24,393,488.81
  5. Step 5: Solve for x
    x = 24,393,488.81/6,780.31
  6. Step 6: Final answer
    x = 3,597.70

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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.