Home / 8,117.17-11,194.63-5,722.92

Finding the Fourth Proportional to 8,117.17, 11,194.63 and 5,722.92

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Solution

The fourth proportional to 8,117.17, 11,194.63 and 5,722.92 is: 7,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.17 : 11,194.63 = 5,722.92 : x
  2. Step 2: Convert to fraction form
    8,117.17/11,194.63 = 5,722.92/x
  3. Step 3: Cross multiply
    8,117.17x = 11,194.63 × 5,722.92
  4. Step 4: Simplify right side
    8,117.17x = 64,065,989.80
  5. Step 5: Solve for x
    x = 64,065,989.80/8,117.17
  6. Step 6: Final answer
    x = 7,892.65

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Double scale
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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.