Home / 7,626.12-11,438.02-2,079.91

Finding the Fourth Proportional to 7,626.12, 11,438.02 and 2,079.91

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Solution

The fourth proportional to 7,626.12, 11,438.02 and 2,079.91 is: 3,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.12 : 11,438.02 = 2,079.91 : x
  2. Step 2: Convert to fraction form
    7,626.12/11,438.02 = 2,079.91/x
  3. Step 3: Cross multiply
    7,626.12x = 11,438.02 × 2,079.91
  4. Step 4: Simplify right side
    7,626.12x = 23,790,052.18
  5. Step 5: Solve for x
    x = 23,790,052.18/7,626.12
  6. Step 6: Final answer
    x = 3,119.55

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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.