Home / 5,244.11-7,236.81-2,886.20

Finding the Fourth Proportional to 5,244.11, 7,236.81 and 2,886.20

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Solution

The fourth proportional to 5,244.11, 7,236.81 and 2,886.20 is: 3,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.11 : 7,236.81 = 2,886.20 : x
  2. Step 2: Convert to fraction form
    5,244.11/7,236.81 = 2,886.20/x
  3. Step 3: Cross multiply
    5,244.11x = 7,236.81 × 2,886.20
  4. Step 4: Simplify right side
    5,244.11x = 20,886,844.84
  5. Step 5: Solve for x
    x = 20,886,844.84/5,244.11
  6. Step 6: Final answer
    x = 3,982.92

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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.