Home / 7,382.24-10,188.40-4,238.88

Finding the Fourth Proportional to 7,382.24, 10,188.40 and 4,238.88

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Solution

The fourth proportional to 7,382.24, 10,188.40 and 4,238.88 is: 5,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.24 : 10,188.40 = 4,238.88 : x
  2. Step 2: Convert to fraction form
    7,382.24/10,188.40 = 4,238.88/x
  3. Step 3: Cross multiply
    7,382.24x = 10,188.40 × 4,238.88
  4. Step 4: Simplify right side
    7,382.24x = 43,187,404.99
  5. Step 5: Solve for x
    x = 43,187,404.99/7,382.24
  6. Step 6: Final answer
    x = 5,850.18

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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.