Home / 8,166.04-11,255.43-6,251.20

Finding the Fourth Proportional to 8,166.04, 11,255.43 and 6,251.20

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Solution

The fourth proportional to 8,166.04, 11,255.43 and 6,251.20 is: 8,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.04 : 11,255.43 = 6,251.20 : x
  2. Step 2: Convert to fraction form
    8,166.04/11,255.43 = 6,251.20/x
  3. Step 3: Cross multiply
    8,166.04x = 11,255.43 × 6,251.20
  4. Step 4: Simplify right side
    8,166.04x = 70,359,944.02
  5. Step 5: Solve for x
    x = 70,359,944.02/8,166.04
  6. Step 6: Final answer
    x = 8,616.16

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Half scale
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Double scale
Find fourth proportional to 8,167.04, 11,256.81 and 6,252.20
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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.