Home / 6,862.47-10,279.36-5,689.69

Finding the Fourth Proportional to 6,862.47, 10,279.36 and 5,689.69

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Solution

The fourth proportional to 6,862.47, 10,279.36 and 5,689.69 is: 8,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.47 : 10,279.36 = 5,689.69 : x
  2. Step 2: Convert to fraction form
    6,862.47/10,279.36 = 5,689.69/x
  3. Step 3: Cross multiply
    6,862.47x = 10,279.36 × 5,689.69
  4. Step 4: Simplify right side
    6,862.47x = 58,486,379.03
  5. Step 5: Solve for x
    x = 58,486,379.03/6,862.47
  6. Step 6: Final answer
    x = 8,522.64

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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.