Home / 5,177.82-7,141.53-3,289.95

Finding the Fourth Proportional to 5,177.82, 7,141.53 and 3,289.95

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Solution

The fourth proportional to 5,177.82, 7,141.53 and 3,289.95 is: 4,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.82 : 7,141.53 = 3,289.95 : x
  2. Step 2: Convert to fraction form
    5,177.82/7,141.53 = 3,289.95/x
  3. Step 3: Cross multiply
    5,177.82x = 7,141.53 × 3,289.95
  4. Step 4: Simplify right side
    5,177.82x = 23,495,276.62
  5. Step 5: Solve for x
    x = 23,495,276.62/5,177.82
  6. Step 6: Final answer
    x = 4,537.68

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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.