Home / 5,055-6,977.10-2,959.48

Finding the Fourth Proportional to 5,055, 6,977.10 and 2,959.48

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Solution

The fourth proportional to 5,055, 6,977.10 and 2,959.48 is: 4,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055 : 6,977.10 = 2,959.48 : x
  2. Step 2: Convert to fraction form
    5,055/6,977.10 = 2,959.48/x
  3. Step 3: Cross multiply
    5,055x = 6,977.10 × 2,959.48
  4. Step 4: Simplify right side
    5,055x = 20,648,587.91
  5. Step 5: Solve for x
    x = 20,648,587.91/5,055
  6. Step 6: Final answer
    x = 4,084.78

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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.