Home / 8,095.28-11,162.21-5,220.18

Finding the Fourth Proportional to 8,095.28, 11,162.21 and 5,220.18

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Solution

The fourth proportional to 8,095.28, 11,162.21 and 5,220.18 is: 7,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,095.28 : 11,162.21 = 5,220.18 : x
  2. Step 2: Convert to fraction form
    8,095.28/11,162.21 = 5,220.18/x
  3. Step 3: Cross multiply
    8,095.28x = 11,162.21 × 5,220.18
  4. Step 4: Simplify right side
    8,095.28x = 58,268,719.30
  5. Step 5: Solve for x
    x = 58,268,719.30/8,095.28
  6. Step 6: Final answer
    x = 7,197.87

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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.