Home / 4,478.40-6,710.04-2,722.32

Finding the Fourth Proportional to 4,478.40, 6,710.04 and 2,722.32

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Solution

The fourth proportional to 4,478.40, 6,710.04 and 2,722.32 is: 4,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.40 : 6,710.04 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    4,478.40/6,710.04 = 2,722.32/x
  3. Step 3: Cross multiply
    4,478.40x = 6,710.04 × 2,722.32
  4. Step 4: Simplify right side
    4,478.40x = 18,266,876.09
  5. Step 5: Solve for x
    x = 18,266,876.09/4,478.40
  6. Step 6: Final answer
    x = 4,078.88

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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.