Home / 5,385.56-7,431.58-3,027.24

Finding the Fourth Proportional to 5,385.56, 7,431.58 and 3,027.24

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Solution

The fourth proportional to 5,385.56, 7,431.58 and 3,027.24 is: 4,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.56 : 7,431.58 = 3,027.24 : x
  2. Step 2: Convert to fraction form
    5,385.56/7,431.58 = 3,027.24/x
  3. Step 3: Cross multiply
    5,385.56x = 7,431.58 × 3,027.24
  4. Step 4: Simplify right side
    5,385.56x = 22,497,180.02
  5. Step 5: Solve for x
    x = 22,497,180.02/5,385.56
  6. Step 6: Final answer
    x = 4,177.32

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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.