Home / 8,217.05-11,338.38-4,680.18

Finding the Fourth Proportional to 8,217.05, 11,338.38 and 4,680.18

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Solution

The fourth proportional to 8,217.05, 11,338.38 and 4,680.18 is: 6,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.05 : 11,338.38 = 4,680.18 : x
  2. Step 2: Convert to fraction form
    8,217.05/11,338.38 = 4,680.18/x
  3. Step 3: Cross multiply
    8,217.05x = 11,338.38 × 4,680.18
  4. Step 4: Simplify right side
    8,217.05x = 53,065,659.31
  5. Step 5: Solve for x
    x = 53,065,659.31/8,217.05
  6. Step 6: Final answer
    x = 6,458.00

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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.