Home / 4,439.40-6,659.85-1,478.01

Finding the Fourth Proportional to 4,439.40, 6,659.85 and 1,478.01

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Solution

The fourth proportional to 4,439.40, 6,659.85 and 1,478.01 is: 2,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.40 : 6,659.85 = 1,478.01 : x
  2. Step 2: Convert to fraction form
    4,439.40/6,659.85 = 1,478.01/x
  3. Step 3: Cross multiply
    4,439.40x = 6,659.85 × 1,478.01
  4. Step 4: Simplify right side
    4,439.40x = 9,843,324.90
  5. Step 5: Solve for x
    x = 9,843,324.90/4,439.40
  6. Step 6: Final answer
    x = 2,217.26

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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.