Home / 5,419.14-7,478.91-3,061.50

Finding the Fourth Proportional to 5,419.14, 7,478.91 and 3,061.50

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Solution

The fourth proportional to 5,419.14, 7,478.91 and 3,061.50 is: 4,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.14 : 7,478.91 = 3,061.50 : x
  2. Step 2: Convert to fraction form
    5,419.14/7,478.91 = 3,061.50/x
  3. Step 3: Cross multiply
    5,419.14x = 7,478.91 × 3,061.50
  4. Step 4: Simplify right side
    5,419.14x = 22,896,682.97
  5. Step 5: Solve for x
    x = 22,896,682.97/5,419.14
  6. Step 6: Final answer
    x = 4,225.15

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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.