Home / 5,385.44-7,431.40-3,027.12

Finding the Fourth Proportional to 5,385.44, 7,431.40 and 3,027.12

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Solution

The fourth proportional to 5,385.44, 7,431.40 and 3,027.12 is: 4,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.44 : 7,431.40 = 3,027.12 : x
  2. Step 2: Convert to fraction form
    5,385.44/7,431.40 = 3,027.12/x
  3. Step 3: Cross multiply
    5,385.44x = 7,431.40 × 3,027.12
  4. Step 4: Simplify right side
    5,385.44x = 22,495,739.57
  5. Step 5: Solve for x
    x = 22,495,739.57/5,385.44
  6. Step 6: Final answer
    x = 4,177.14

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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.