Home / 7,419.15-10,237.91-4,061.90

Finding the Fourth Proportional to 7,419.15, 10,237.91 and 4,061.90

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Solution

The fourth proportional to 7,419.15, 10,237.91 and 4,061.90 is: 5,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.15 : 10,237.91 = 4,061.90 : x
  2. Step 2: Convert to fraction form
    7,419.15/10,237.91 = 4,061.90/x
  3. Step 3: Cross multiply
    7,419.15x = 10,237.91 × 4,061.90
  4. Step 4: Simplify right side
    7,419.15x = 41,585,371.91
  5. Step 5: Solve for x
    x = 41,585,371.91/7,419.15
  6. Step 6: Final answer
    x = 5,605.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.