Home / 5,278.24-7,924.64-2,682.96

Finding the Fourth Proportional to 5,278.24, 7,924.64 and 2,682.96

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Solution

The fourth proportional to 5,278.24, 7,924.64 and 2,682.96 is: 4,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.24 : 7,924.64 = 2,682.96 : x
  2. Step 2: Convert to fraction form
    5,278.24/7,924.64 = 2,682.96/x
  3. Step 3: Cross multiply
    5,278.24x = 7,924.64 × 2,682.96
  4. Step 4: Simplify right side
    5,278.24x = 21,261,492.13
  5. Step 5: Solve for x
    x = 21,261,492.13/5,278.24
  6. Step 6: Final answer
    x = 4,028.14

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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.