Home / 7,716.24-10,654.43-5,920.85

Finding the Fourth Proportional to 7,716.24, 10,654.43 and 5,920.85

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Solution

The fourth proportional to 7,716.24, 10,654.43 and 5,920.85 is: 8,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.24 : 10,654.43 = 5,920.85 : x
  2. Step 2: Convert to fraction form
    7,716.24/10,654.43 = 5,920.85/x
  3. Step 3: Cross multiply
    7,716.24x = 10,654.43 × 5,920.85
  4. Step 4: Simplify right side
    7,716.24x = 63,083,278.90
  5. Step 5: Solve for x
    x = 63,083,278.90/7,716.24
  6. Step 6: Final answer
    x = 8,175.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.