Home / 6,839.38-10,259.28-2,159.43

Finding the Fourth Proportional to 6,839.38, 10,259.28 and 2,159.43

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Solution

The fourth proportional to 6,839.38, 10,259.28 and 2,159.43 is: 3,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.38 : 10,259.28 = 2,159.43 : x
  2. Step 2: Convert to fraction form
    6,839.38/10,259.28 = 2,159.43/x
  3. Step 3: Cross multiply
    6,839.38x = 10,259.28 × 2,159.43
  4. Step 4: Simplify right side
    6,839.38x = 22,154,197.01
  5. Step 5: Solve for x
    x = 22,154,197.01/6,839.38
  6. Step 6: Final answer
    x = 3,239.21

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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.