Home / 5,419.42-7,478.97-3,061.71

Finding the Fourth Proportional to 5,419.42, 7,478.97 and 3,061.71

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Solution

The fourth proportional to 5,419.42, 7,478.97 and 3,061.71 is: 4,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.42 : 7,478.97 = 3,061.71 : x
  2. Step 2: Convert to fraction form
    5,419.42/7,478.97 = 3,061.71/x
  3. Step 3: Cross multiply
    5,419.42x = 7,478.97 × 3,061.71
  4. Step 4: Simplify right side
    5,419.42x = 22,898,425.76
  5. Step 5: Solve for x
    x = 22,898,425.76/5,419.42
  6. Step 6: Final answer
    x = 4,225.26

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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.