Home / 7,690.24-10,610.29-5,175.19

Finding the Fourth Proportional to 7,690.24, 10,610.29 and 5,175.19

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Solution

The fourth proportional to 7,690.24, 10,610.29 and 5,175.19 is: 7,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.24 : 10,610.29 = 5,175.19 : x
  2. Step 2: Convert to fraction form
    7,690.24/10,610.29 = 5,175.19/x
  3. Step 3: Cross multiply
    7,690.24x = 10,610.29 × 5,175.19
  4. Step 4: Simplify right side
    7,690.24x = 54,910,286.44
  5. Step 5: Solve for x
    x = 54,910,286.44/7,690.24
  6. Step 6: Final answer
    x = 7,140.26

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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.