Home / 5,081.28-7,624.80-2,005.44

Finding the Fourth Proportional to 5,081.28, 7,624.80 and 2,005.44

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Solution

The fourth proportional to 5,081.28, 7,624.80 and 2,005.44 is: 3,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.28 : 7,624.80 = 2,005.44 : x
  2. Step 2: Convert to fraction form
    5,081.28/7,624.80 = 2,005.44/x
  3. Step 3: Cross multiply
    5,081.28x = 7,624.80 × 2,005.44
  4. Step 4: Simplify right side
    5,081.28x = 15,291,078.91
  5. Step 5: Solve for x
    x = 15,291,078.91/5,081.28
  6. Step 6: Final answer
    x = 3,009.30

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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.