Home / 5,170.73-7,751.45-1,881.52

Finding the Fourth Proportional to 5,170.73, 7,751.45 and 1,881.52

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Solution

The fourth proportional to 5,170.73, 7,751.45 and 1,881.52 is: 2,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.73 : 7,751.45 = 1,881.52 : x
  2. Step 2: Convert to fraction form
    5,170.73/7,751.45 = 1,881.52/x
  3. Step 3: Cross multiply
    5,170.73x = 7,751.45 × 1,881.52
  4. Step 4: Simplify right side
    5,170.73x = 14,584,493.53
  5. Step 5: Solve for x
    x = 14,584,493.53/5,170.73
  6. Step 6: Final answer
    x = 2,820.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.