Home / 5,104.95-7,044.60-2,866.78

Finding the Fourth Proportional to 5,104.95, 7,044.60 and 2,866.78

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Solution

The fourth proportional to 5,104.95, 7,044.60 and 2,866.78 is: 3,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.95 : 7,044.60 = 2,866.78 : x
  2. Step 2: Convert to fraction form
    5,104.95/7,044.60 = 2,866.78/x
  3. Step 3: Cross multiply
    5,104.95x = 7,044.60 × 2,866.78
  4. Step 4: Simplify right side
    5,104.95x = 20,195,300.78
  5. Step 5: Solve for x
    x = 20,195,300.78/5,104.95
  6. Step 6: Final answer
    x = 3,956.02

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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.