Home / 7,382.18-10,186.67-4,151.66

Finding the Fourth Proportional to 7,382.18, 10,186.67 and 4,151.66

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Solution

The fourth proportional to 7,382.18, 10,186.67 and 4,151.66 is: 5,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.18 : 10,186.67 = 4,151.66 : x
  2. Step 2: Convert to fraction form
    7,382.18/10,186.67 = 4,151.66/x
  3. Step 3: Cross multiply
    7,382.18x = 10,186.67 × 4,151.66
  4. Step 4: Simplify right side
    7,382.18x = 42,291,590.37
  5. Step 5: Solve for x
    x = 42,291,590.37/7,382.18
  6. Step 6: Final answer
    x = 5,728.88

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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.