Home / 9,144.30-12,617.02-5,367.28

Finding the Fourth Proportional to 9,144.30, 12,617.02 and 5,367.28

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Solution

The fourth proportional to 9,144.30, 12,617.02 and 5,367.28 is: 7,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.30 : 12,617.02 = 5,367.28 : x
  2. Step 2: Convert to fraction form
    9,144.30/12,617.02 = 5,367.28/x
  3. Step 3: Cross multiply
    9,144.30x = 12,617.02 × 5,367.28
  4. Step 4: Simplify right side
    9,144.30x = 67,719,079.11
  5. Step 5: Solve for x
    x = 67,719,079.11/9,144.30
  6. Step 6: Final answer
    x = 7,405.61

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1.5x scale

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.