Home / 6,756.61-10,134.92-2,139.25

Finding the Fourth Proportional to 6,756.61, 10,134.92 and 2,139.25

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Solution

The fourth proportional to 6,756.61, 10,134.92 and 2,139.25 is: 3,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.61 : 10,134.92 = 2,139.25 : x
  2. Step 2: Convert to fraction form
    6,756.61/10,134.92 = 2,139.25/x
  3. Step 3: Cross multiply
    6,756.61x = 10,134.92 × 2,139.25
  4. Step 4: Simplify right side
    6,756.61x = 21,681,116.91
  5. Step 5: Solve for x
    x = 21,681,116.91/6,756.61
  6. Step 6: Final answer
    x = 3,208.88

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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.