Home / 8,085.04-11,163.28-5,256.56

Finding the Fourth Proportional to 8,085.04, 11,163.28 and 5,256.56

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Solution

The fourth proportional to 8,085.04, 11,163.28 and 5,256.56 is: 7,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.04 : 11,163.28 = 5,256.56 : x
  2. Step 2: Convert to fraction form
    8,085.04/11,163.28 = 5,256.56/x
  3. Step 3: Cross multiply
    8,085.04x = 11,163.28 × 5,256.56
  4. Step 4: Simplify right side
    8,085.04x = 58,680,451.12
  5. Step 5: Solve for x
    x = 58,680,451.12/8,085.04
  6. Step 6: Final answer
    x = 7,257.90

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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.