Home / 4,439.54-6,659.27-1,478.20

Finding the Fourth Proportional to 4,439.54, 6,659.27 and 1,478.20

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Solution

The fourth proportional to 4,439.54, 6,659.27 and 1,478.20 is: 2,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.54 : 6,659.27 = 1,478.20 : x
  2. Step 2: Convert to fraction form
    4,439.54/6,659.27 = 1,478.20/x
  3. Step 3: Cross multiply
    4,439.54x = 6,659.27 × 1,478.20
  4. Step 4: Simplify right side
    4,439.54x = 9,843,714.42
  5. Step 5: Solve for x
    x = 9,843,714.42/4,439.54
  6. Step 6: Final answer
    x = 2,217.29

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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.