Home / 7,381.18-10,185.29-4,150.66

Finding the Fourth Proportional to 7,381.18, 10,185.29 and 4,150.66

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Solution

The fourth proportional to 7,381.18, 10,185.29 and 4,150.66 is: 5,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.18 : 10,185.29 = 4,150.66 : x
  2. Step 2: Convert to fraction form
    7,381.18/10,185.29 = 4,150.66/x
  3. Step 3: Cross multiply
    7,381.18x = 10,185.29 × 4,150.66
  4. Step 4: Simplify right side
    7,381.18x = 42,275,660.70
  5. Step 5: Solve for x
    x = 42,275,660.70/7,381.18
  6. Step 6: Final answer
    x = 5,727.49

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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.