Home / 5,525.03-8,280.45-3,679.74

Finding the Fourth Proportional to 5,525.03, 8,280.45 and 3,679.74

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Solution

The fourth proportional to 5,525.03, 8,280.45 and 3,679.74 is: 5,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.03 : 8,280.45 = 3,679.74 : x
  2. Step 2: Convert to fraction form
    5,525.03/8,280.45 = 3,679.74/x
  3. Step 3: Cross multiply
    5,525.03x = 8,280.45 × 3,679.74
  4. Step 4: Simplify right side
    5,525.03x = 30,469,903.08
  5. Step 5: Solve for x
    x = 30,469,903.08/5,525.03
  6. Step 6: Final answer
    x = 5,514.89

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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.