Home / 5,419.36-7,478.49-3,061.59

Finding the Fourth Proportional to 5,419.36, 7,478.49 and 3,061.59

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Solution

The fourth proportional to 5,419.36, 7,478.49 and 3,061.59 is: 4,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.36 : 7,478.49 = 3,061.59 : x
  2. Step 2: Convert to fraction form
    5,419.36/7,478.49 = 3,061.59/x
  3. Step 3: Cross multiply
    5,419.36x = 7,478.49 × 3,061.59
  4. Step 4: Simplify right side
    5,419.36x = 22,896,070.20
  5. Step 5: Solve for x
    x = 22,896,070.20/5,419.36
  6. Step 6: Final answer
    x = 4,224.87

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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.