Home / 5,352.80-8,029.26-2,578.88

Finding the Fourth Proportional to 5,352.80, 8,029.26 and 2,578.88

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Solution

The fourth proportional to 5,352.80, 8,029.26 and 2,578.88 is: 3,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.80 : 8,029.26 = 2,578.88 : x
  2. Step 2: Convert to fraction form
    5,352.80/8,029.26 = 2,578.88/x
  3. Step 3: Cross multiply
    5,352.80x = 8,029.26 × 2,578.88
  4. Step 4: Simplify right side
    5,352.80x = 20,706,498.03
  5. Step 5: Solve for x
    x = 20,706,498.03/5,352.80
  6. Step 6: Final answer
    x = 3,868.35

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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.