Home / 4,490.34-6,197.40-2,722.20

Finding the Fourth Proportional to 4,490.34, 6,197.40 and 2,722.20

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Solution

The fourth proportional to 4,490.34, 6,197.40 and 2,722.20 is: 3,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.34 : 6,197.40 = 2,722.20 : x
  2. Step 2: Convert to fraction form
    4,490.34/6,197.40 = 2,722.20/x
  3. Step 3: Cross multiply
    4,490.34x = 6,197.40 × 2,722.20
  4. Step 4: Simplify right side
    4,490.34x = 16,870,562.28
  5. Step 5: Solve for x
    x = 16,870,562.28/4,490.34
  6. Step 6: Final answer
    x = 3,757.08

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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.