Home / 5,216.80-7,199.24-2,859.04

Finding the Fourth Proportional to 5,216.80, 7,199.24 and 2,859.04

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Solution

The fourth proportional to 5,216.80, 7,199.24 and 2,859.04 is: 3,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.80 : 7,199.24 = 2,859.04 : x
  2. Step 2: Convert to fraction form
    5,216.80/7,199.24 = 2,859.04/x
  3. Step 3: Cross multiply
    5,216.80x = 7,199.24 × 2,859.04
  4. Step 4: Simplify right side
    5,216.80x = 20,582,915.13
  5. Step 5: Solve for x
    x = 20,582,915.13/5,216.80
  6. Step 6: Final answer
    x = 3,945.51

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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.