Home / 7,077.06-10,612.76-2,144.97

Finding the Fourth Proportional to 7,077.06, 10,612.76 and 2,144.97

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Solution

The fourth proportional to 7,077.06, 10,612.76 and 2,144.97 is: 3,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.06 : 10,612.76 = 2,144.97 : x
  2. Step 2: Convert to fraction form
    7,077.06/10,612.76 = 2,144.97/x
  3. Step 3: Cross multiply
    7,077.06x = 10,612.76 × 2,144.97
  4. Step 4: Simplify right side
    7,077.06x = 22,764,041.09
  5. Step 5: Solve for x
    x = 22,764,041.09/7,077.06
  6. Step 6: Final answer
    x = 3,216.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.