Home / 5,073.20-6,987.99-3,578.49

Finding the Fourth Proportional to 5,073.20, 6,987.99 and 3,578.49

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Solution

The fourth proportional to 5,073.20, 6,987.99 and 3,578.49 is: 4,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,073.20 : 6,987.99 = 3,578.49 : x
  2. Step 2: Convert to fraction form
    5,073.20/6,987.99 = 3,578.49/x
  3. Step 3: Cross multiply
    5,073.20x = 6,987.99 × 3,578.49
  4. Step 4: Simplify right side
    5,073.20x = 25,006,399.50
  5. Step 5: Solve for x
    x = 25,006,399.50/5,073.20
  6. Step 6: Final answer
    x = 4,929.12

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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.