Home / 5,385.90-7,431.75-3,027.59

Finding the Fourth Proportional to 5,385.90, 7,431.75 and 3,027.59

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Solution

The fourth proportional to 5,385.90, 7,431.75 and 3,027.59 is: 4,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.90 : 7,431.75 = 3,027.59 : x
  2. Step 2: Convert to fraction form
    5,385.90/7,431.75 = 3,027.59/x
  3. Step 3: Cross multiply
    5,385.90x = 7,431.75 × 3,027.59
  4. Step 4: Simplify right side
    5,385.90x = 22,500,291.98
  5. Step 5: Solve for x
    x = 22,500,291.98/5,385.90
  6. Step 6: Final answer
    x = 4,177.63

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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.