Home / 5,947.78-8,961.24-5,385.28

Finding the Fourth Proportional to 5,947.78, 8,961.24 and 5,385.28

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Solution

The fourth proportional to 5,947.78, 8,961.24 and 5,385.28 is: 8,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.78 : 8,961.24 = 5,385.28 : x
  2. Step 2: Convert to fraction form
    5,947.78/8,961.24 = 5,385.28/x
  3. Step 3: Cross multiply
    5,947.78x = 8,961.24 × 5,385.28
  4. Step 4: Simplify right side
    5,947.78x = 48,258,786.55
  5. Step 5: Solve for x
    x = 48,258,786.55/5,947.78
  6. Step 6: Final answer
    x = 8,113.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.