Home / 4,711.80-7,067.16-2,113.32

Finding the Fourth Proportional to 4,711.80, 7,067.16 and 2,113.32

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Solution

The fourth proportional to 4,711.80, 7,067.16 and 2,113.32 is: 3,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.80 : 7,067.16 = 2,113.32 : x
  2. Step 2: Convert to fraction form
    4,711.80/7,067.16 = 2,113.32/x
  3. Step 3: Cross multiply
    4,711.80x = 7,067.16 × 2,113.32
  4. Step 4: Simplify right side
    4,711.80x = 14,935,170.57
  5. Step 5: Solve for x
    x = 14,935,170.57/4,711.80
  6. Step 6: Final answer
    x = 3,169.74

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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.