Home / 4,005.80-5,524.90-2,679.08

Finding the Fourth Proportional to 4,005.80, 5,524.90 and 2,679.08

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Solution

The fourth proportional to 4,005.80, 5,524.90 and 2,679.08 is: 3,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.80 : 5,524.90 = 2,679.08 : x
  2. Step 2: Convert to fraction form
    4,005.80/5,524.90 = 2,679.08/x
  3. Step 3: Cross multiply
    4,005.80x = 5,524.90 × 2,679.08
  4. Step 4: Simplify right side
    4,005.80x = 14,801,649.09
  5. Step 5: Solve for x
    x = 14,801,649.09/4,005.80
  6. Step 6: Final answer
    x = 3,695.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.