Home / 7,126.96-10,686.62-3,568.52

Finding the Fourth Proportional to 7,126.96, 10,686.62 and 3,568.52

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Solution

The fourth proportional to 7,126.96, 10,686.62 and 3,568.52 is: 5,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.96 : 10,686.62 = 3,568.52 : x
  2. Step 2: Convert to fraction form
    7,126.96/10,686.62 = 3,568.52/x
  3. Step 3: Cross multiply
    7,126.96x = 10,686.62 × 3,568.52
  4. Step 4: Simplify right side
    7,126.96x = 38,135,417.20
  5. Step 5: Solve for x
    x = 38,135,417.20/7,126.96
  6. Step 6: Final answer
    x = 5,350.87

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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.