Home / 5,419.46-7,470.68-4,238.48

Finding the Fourth Proportional to 5,419.46, 7,470.68 and 4,238.48

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Solution

The fourth proportional to 5,419.46, 7,470.68 and 4,238.48 is: 5,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.46 : 7,470.68 = 4,238.48 : x
  2. Step 2: Convert to fraction form
    5,419.46/7,470.68 = 4,238.48/x
  3. Step 3: Cross multiply
    5,419.46x = 7,470.68 × 4,238.48
  4. Step 4: Simplify right side
    5,419.46x = 31,664,327.77
  5. Step 5: Solve for x
    x = 31,664,327.77/5,419.46
  6. Step 6: Final answer
    x = 5,842.71

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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.