Home / 5,201.97-7,178.53-3,077.88

Finding the Fourth Proportional to 5,201.97, 7,178.53 and 3,077.88

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Solution

The fourth proportional to 5,201.97, 7,178.53 and 3,077.88 is: 4,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.97 : 7,178.53 = 3,077.88 : x
  2. Step 2: Convert to fraction form
    5,201.97/7,178.53 = 3,077.88/x
  3. Step 3: Cross multiply
    5,201.97x = 7,178.53 × 3,077.88
  4. Step 4: Simplify right side
    5,201.97x = 22,094,653.92
  5. Step 5: Solve for x
    x = 22,094,653.92/5,201.97
  6. Step 6: Final answer
    x = 4,247.36

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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.