Home / 8,166.17-11,275.67-6,274.76

Finding the Fourth Proportional to 8,166.17, 11,275.67 and 6,274.76

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Solution

The fourth proportional to 8,166.17, 11,275.67 and 6,274.76 is: 8,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.17 : 11,275.67 = 6,274.76 : x
  2. Step 2: Convert to fraction form
    8,166.17/11,275.67 = 6,274.76/x
  3. Step 3: Cross multiply
    8,166.17x = 11,275.67 × 6,274.76
  4. Step 4: Simplify right side
    8,166.17x = 70,752,082.40
  5. Step 5: Solve for x
    x = 70,752,082.40/8,166.17
  6. Step 6: Final answer
    x = 8,664.04

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Half scale
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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.