Home / 5,216.96-7,199.12-2,859.06

Finding the Fourth Proportional to 5,216.96, 7,199.12 and 2,859.06

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Solution

The fourth proportional to 5,216.96, 7,199.12 and 2,859.06 is: 3,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.96 : 7,199.12 = 2,859.06 : x
  2. Step 2: Convert to fraction form
    5,216.96/7,199.12 = 2,859.06/x
  3. Step 3: Cross multiply
    5,216.96x = 7,199.12 × 2,859.06
  4. Step 4: Simplify right side
    5,216.96x = 20,582,716.03
  5. Step 5: Solve for x
    x = 20,582,716.03/5,216.96
  6. Step 6: Final answer
    x = 3,945.35

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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.