Home / 5,117.12-7,059.84-3,020.48

Finding the Fourth Proportional to 5,117.12, 7,059.84 and 3,020.48

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Solution

The fourth proportional to 5,117.12, 7,059.84 and 3,020.48 is: 4,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.12 : 7,059.84 = 3,020.48 : x
  2. Step 2: Convert to fraction form
    5,117.12/7,059.84 = 3,020.48/x
  3. Step 3: Cross multiply
    5,117.12x = 7,059.84 × 3,020.48
  4. Step 4: Simplify right side
    5,117.12x = 21,324,105.52
  5. Step 5: Solve for x
    x = 21,324,105.52/5,117.12
  6. Step 6: Final answer
    x = 4,167.21

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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.