Home / 5,078.02-7,619.30-3,228.65

Finding the Fourth Proportional to 5,078.02, 7,619.30 and 3,228.65

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Solution

The fourth proportional to 5,078.02, 7,619.30 and 3,228.65 is: 4,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.02 : 7,619.30 = 3,228.65 : x
  2. Step 2: Convert to fraction form
    5,078.02/7,619.30 = 3,228.65/x
  3. Step 3: Cross multiply
    5,078.02x = 7,619.30 × 3,228.65
  4. Step 4: Simplify right side
    5,078.02x = 24,600,052.95
  5. Step 5: Solve for x
    x = 24,600,052.95/5,078.02
  6. Step 6: Final answer
    x = 4,844.42

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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.