Home / 5,116.76-7,062.90-3,020.75

Finding the Fourth Proportional to 5,116.76, 7,062.90 and 3,020.75

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Solution

The fourth proportional to 5,116.76, 7,062.90 and 3,020.75 is: 4,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.76 : 7,062.90 = 3,020.75 : x
  2. Step 2: Convert to fraction form
    5,116.76/7,062.90 = 3,020.75/x
  3. Step 3: Cross multiply
    5,116.76x = 7,062.90 × 3,020.75
  4. Step 4: Simplify right side
    5,116.76x = 21,335,255.18
  5. Step 5: Solve for x
    x = 21,335,255.18/5,116.76
  6. Step 6: Final answer
    x = 4,169.68

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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.