Home / 4,690.11-7,029.80-2,221.44

Finding the Fourth Proportional to 4,690.11, 7,029.80 and 2,221.44

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Solution

The fourth proportional to 4,690.11, 7,029.80 and 2,221.44 is: 3,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.11 : 7,029.80 = 2,221.44 : x
  2. Step 2: Convert to fraction form
    4,690.11/7,029.80 = 2,221.44/x
  3. Step 3: Cross multiply
    4,690.11x = 7,029.80 × 2,221.44
  4. Step 4: Simplify right side
    4,690.11x = 15,616,278.91
  5. Step 5: Solve for x
    x = 15,616,278.91/4,690.11
  6. Step 6: Final answer
    x = 3,329.62

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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.