Home / 4,278.35-6,419.57-2,964.13

Finding the Fourth Proportional to 4,278.35, 6,419.57 and 2,964.13

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Solution

The fourth proportional to 4,278.35, 6,419.57 and 2,964.13 is: 4,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.35 : 6,419.57 = 2,964.13 : x
  2. Step 2: Convert to fraction form
    4,278.35/6,419.57 = 2,964.13/x
  3. Step 3: Cross multiply
    4,278.35x = 6,419.57 × 2,964.13
  4. Step 4: Simplify right side
    4,278.35x = 19,028,409.15
  5. Step 5: Solve for x
    x = 19,028,409.15/4,278.35
  6. Step 6: Final answer
    x = 4,447.60

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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.