Home / 7,223.13-9,967.92-4,079.52

Finding the Fourth Proportional to 7,223.13, 9,967.92 and 4,079.52

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Solution

The fourth proportional to 7,223.13, 9,967.92 and 4,079.52 is: 5,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.13 : 9,967.92 = 4,079.52 : x
  2. Step 2: Convert to fraction form
    7,223.13/9,967.92 = 4,079.52/x
  3. Step 3: Cross multiply
    7,223.13x = 9,967.92 × 4,079.52
  4. Step 4: Simplify right side
    7,223.13x = 40,664,329.00
  5. Step 5: Solve for x
    x = 40,664,329.00/7,223.13
  6. Step 6: Final answer
    x = 5,629.74

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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.