Home / 5,325.28-7,342.24-4,143.84

Finding the Fourth Proportional to 5,325.28, 7,342.24 and 4,143.84

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Solution

The fourth proportional to 5,325.28, 7,342.24 and 4,143.84 is: 5,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.28 : 7,342.24 = 4,143.84 : x
  2. Step 2: Convert to fraction form
    5,325.28/7,342.24 = 4,143.84/x
  3. Step 3: Cross multiply
    5,325.28x = 7,342.24 × 4,143.84
  4. Step 4: Simplify right side
    5,325.28x = 30,425,067.80
  5. Step 5: Solve for x
    x = 30,425,067.80/5,325.28
  6. Step 6: Final answer
    x = 5,713.33

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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.