Home / 5,117.92-7,060.73-2,879.29

Finding the Fourth Proportional to 5,117.92, 7,060.73 and 2,879.29

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Solution

The fourth proportional to 5,117.92, 7,060.73 and 2,879.29 is: 3,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.92 : 7,060.73 = 2,879.29 : x
  2. Step 2: Convert to fraction form
    5,117.92/7,060.73 = 2,879.29/x
  3. Step 3: Cross multiply
    5,117.92x = 7,060.73 × 2,879.29
  4. Step 4: Simplify right side
    5,117.92x = 20,329,889.28
  5. Step 5: Solve for x
    x = 20,329,889.28/5,117.92
  6. Step 6: Final answer
    x = 3,972.30

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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.