Home / 5,244.05-7,236.79-2,886.35

Finding the Fourth Proportional to 5,244.05, 7,236.79 and 2,886.35

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Solution

The fourth proportional to 5,244.05, 7,236.79 and 2,886.35 is: 3,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.05 : 7,236.79 = 2,886.35 : x
  2. Step 2: Convert to fraction form
    5,244.05/7,236.79 = 2,886.35/x
  3. Step 3: Cross multiply
    5,244.05x = 7,236.79 × 2,886.35
  4. Step 4: Simplify right side
    5,244.05x = 20,887,865.42
  5. Step 5: Solve for x
    x = 20,887,865.42/5,244.05
  6. Step 6: Final answer
    x = 3,983.15

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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.