Home / 4,439.60-6,656.37-2,215.61

Finding the Fourth Proportional to 4,439.60, 6,656.37 and 2,215.61

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Solution

The fourth proportional to 4,439.60, 6,656.37 and 2,215.61 is: 3,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.60 : 6,656.37 = 2,215.61 : x
  2. Step 2: Convert to fraction form
    4,439.60/6,656.37 = 2,215.61/x
  3. Step 3: Cross multiply
    4,439.60x = 6,656.37 × 2,215.61
  4. Step 4: Simplify right side
    4,439.60x = 14,747,886.65
  5. Step 5: Solve for x
    x = 14,747,886.65/4,439.60
  6. Step 6: Final answer
    x = 3,321.90

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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.