Home / 7,079.91-10,621.07-2,150.04

Finding the Fourth Proportional to 7,079.91, 10,621.07 and 2,150.04

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Solution

The fourth proportional to 7,079.91, 10,621.07 and 2,150.04 is: 3,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.91 : 10,621.07 = 2,150.04 : x
  2. Step 2: Convert to fraction form
    7,079.91/10,621.07 = 2,150.04/x
  3. Step 3: Cross multiply
    7,079.91x = 10,621.07 × 2,150.04
  4. Step 4: Simplify right side
    7,079.91x = 22,835,774.58
  5. Step 5: Solve for x
    x = 22,835,774.58/7,079.91
  6. Step 6: Final answer
    x = 3,225.43

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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.