Home / 4,744.20-7,116.30-2,278.43

Finding the Fourth Proportional to 4,744.20, 7,116.30 and 2,278.43

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Solution

The fourth proportional to 4,744.20, 7,116.30 and 2,278.43 is: 3,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.20 : 7,116.30 = 2,278.43 : x
  2. Step 2: Convert to fraction form
    4,744.20/7,116.30 = 2,278.43/x
  3. Step 3: Cross multiply
    4,744.20x = 7,116.30 × 2,278.43
  4. Step 4: Simplify right side
    4,744.20x = 16,213,991.41
  5. Step 5: Solve for x
    x = 16,213,991.41/4,744.20
  6. Step 6: Final answer
    x = 3,417.65

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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.