Home / 5,244.32-7,236.52-2,886.32

Finding the Fourth Proportional to 5,244.32, 7,236.52 and 2,886.32

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Solution

The fourth proportional to 5,244.32, 7,236.52 and 2,886.32 is: 3,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.32 : 7,236.52 = 2,886.32 : x
  2. Step 2: Convert to fraction form
    5,244.32/7,236.52 = 2,886.32/x
  3. Step 3: Cross multiply
    5,244.32x = 7,236.52 × 2,886.32
  4. Step 4: Simplify right side
    5,244.32x = 20,886,912.41
  5. Step 5: Solve for x
    x = 20,886,912.41/5,244.32
  6. Step 6: Final answer
    x = 3,982.77

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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.