Home / 7,541.90-11,315.88-3,379.04

Finding the Fourth Proportional to 7,541.90, 11,315.88 and 3,379.04

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Solution

The fourth proportional to 7,541.90, 11,315.88 and 3,379.04 is: 5,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.90 : 11,315.88 = 3,379.04 : x
  2. Step 2: Convert to fraction form
    7,541.90/11,315.88 = 3,379.04/x
  3. Step 3: Cross multiply
    7,541.90x = 11,315.88 × 3,379.04
  4. Step 4: Simplify right side
    7,541.90x = 38,236,811.16
  5. Step 5: Solve for x
    x = 38,236,811.16/7,541.90
  6. Step 6: Final answer
    x = 5,069.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.