Home / 5,117.58-7,671.18-1,995.66

Finding the Fourth Proportional to 5,117.58, 7,671.18 and 1,995.66

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Solution

The fourth proportional to 5,117.58, 7,671.18 and 1,995.66 is: 2,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.58 : 7,671.18 = 1,995.66 : x
  2. Step 2: Convert to fraction form
    5,117.58/7,671.18 = 1,995.66/x
  3. Step 3: Cross multiply
    5,117.58x = 7,671.18 × 1,995.66
  4. Step 4: Simplify right side
    5,117.58x = 15,309,067.08
  5. Step 5: Solve for x
    x = 15,309,067.08/5,117.58
  6. Step 6: Final answer
    x = 2,991.47

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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.