Home / 6,278.52-9,416.94-2,118.42

Finding the Fourth Proportional to 6,278.52, 9,416.94 and 2,118.42

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Solution

The fourth proportional to 6,278.52, 9,416.94 and 2,118.42 is: 3,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.52 : 9,416.94 = 2,118.42 : x
  2. Step 2: Convert to fraction form
    6,278.52/9,416.94 = 2,118.42/x
  3. Step 3: Cross multiply
    6,278.52x = 9,416.94 × 2,118.42
  4. Step 4: Simplify right side
    6,278.52x = 19,949,034.03
  5. Step 5: Solve for x
    x = 19,949,034.03/6,278.52
  6. Step 6: Final answer
    x = 3,177.35

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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.