Home / 7,144.80-10,691.28-6,036.72

Finding the Fourth Proportional to 7,144.80, 10,691.28 and 6,036.72

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Solution

The fourth proportional to 7,144.80, 10,691.28 and 6,036.72 is: 9,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.80 : 10,691.28 = 6,036.72 : x
  2. Step 2: Convert to fraction form
    7,144.80/10,691.28 = 6,036.72/x
  3. Step 3: Cross multiply
    7,144.80x = 10,691.28 × 6,036.72
  4. Step 4: Simplify right side
    7,144.80x = 64,540,263.80
  5. Step 5: Solve for x
    x = 64,540,263.80/7,144.80
  6. Step 6: Final answer
    x = 9,033.18

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1.5x scale

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.