Home / 5,141.78-7,095.22-2,959.02

Finding the Fourth Proportional to 5,141.78, 7,095.22 and 2,959.02

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Solution

The fourth proportional to 5,141.78, 7,095.22 and 2,959.02 is: 4,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.78 : 7,095.22 = 2,959.02 : x
  2. Step 2: Convert to fraction form
    5,141.78/7,095.22 = 2,959.02/x
  3. Step 3: Cross multiply
    5,141.78x = 7,095.22 × 2,959.02
  4. Step 4: Simplify right side
    5,141.78x = 20,994,847.61
  5. Step 5: Solve for x
    x = 20,994,847.61/5,141.78
  6. Step 6: Final answer
    x = 4,083.19

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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.