Home / 5,055.12-6,976.62-2,959.20

Finding the Fourth Proportional to 5,055.12, 6,976.62 and 2,959.20

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Solution

The fourth proportional to 5,055.12, 6,976.62 and 2,959.20 is: 4,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.12 : 6,976.62 = 2,959.20 : x
  2. Step 2: Convert to fraction form
    5,055.12/6,976.62 = 2,959.20/x
  3. Step 3: Cross multiply
    5,055.12x = 6,976.62 × 2,959.20
  4. Step 4: Simplify right side
    5,055.12x = 20,645,213.90
  5. Step 5: Solve for x
    x = 20,645,213.90/5,055.12
  6. Step 6: Final answer
    x = 4,084.02

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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.