Home / 5,382.12-7,424.85-3,614.28

Finding the Fourth Proportional to 5,382.12, 7,424.85 and 3,614.28

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Solution

The fourth proportional to 5,382.12, 7,424.85 and 3,614.28 is: 4,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.12 : 7,424.85 = 3,614.28 : x
  2. Step 2: Convert to fraction form
    5,382.12/7,424.85 = 3,614.28/x
  3. Step 3: Cross multiply
    5,382.12x = 7,424.85 × 3,614.28
  4. Step 4: Simplify right side
    5,382.12x = 26,835,486.86
  5. Step 5: Solve for x
    x = 26,835,486.86/5,382.12
  6. Step 6: Final answer
    x = 4,986.04

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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.