Home / 7,382.13-10,186.61-4,237.71

Finding the Fourth Proportional to 7,382.13, 10,186.61 and 4,237.71

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Solution

The fourth proportional to 7,382.13, 10,186.61 and 4,237.71 is: 5,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.13 : 10,186.61 = 4,237.71 : x
  2. Step 2: Convert to fraction form
    7,382.13/10,186.61 = 4,237.71/x
  3. Step 3: Cross multiply
    7,382.13x = 10,186.61 × 4,237.71
  4. Step 4: Simplify right side
    7,382.13x = 43,167,899.06
  5. Step 5: Solve for x
    x = 43,167,899.06/7,382.13
  6. Step 6: Final answer
    x = 5,847.62

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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.