Home / 6,876.26-10,294.06-5,128.92

Finding the Fourth Proportional to 6,876.26, 10,294.06 and 5,128.92

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Solution

The fourth proportional to 6,876.26, 10,294.06 and 5,128.92 is: 7,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.26 : 10,294.06 = 5,128.92 : x
  2. Step 2: Convert to fraction form
    6,876.26/10,294.06 = 5,128.92/x
  3. Step 3: Cross multiply
    6,876.26x = 10,294.06 × 5,128.92
  4. Step 4: Simplify right side
    6,876.26x = 52,797,358.74
  5. Step 5: Solve for x
    x = 52,797,358.74/6,876.26
  6. Step 6: Final answer
    x = 7,678.21

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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.