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Finding the Fourth Proportional to 6,754.40, 10,126.80 and 2,592.80

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Solution

The fourth proportional to 6,754.40, 10,126.80 and 2,592.80 is: 3,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.40 : 10,126.80 = 2,592.80 : x
  2. Step 2: Convert to fraction form
    6,754.40/10,126.80 = 2,592.80/x
  3. Step 3: Cross multiply
    6,754.40x = 10,126.80 × 2,592.80
  4. Step 4: Simplify right side
    6,754.40x = 26,256,767.04
  5. Step 5: Solve for x
    x = 26,256,767.04/6,754.40
  6. Step 6: Final answer
    x = 3,887.36

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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.