Home / 7,278.19-10,043.97-4,134.44

Finding the Fourth Proportional to 7,278.19, 10,043.97 and 4,134.44

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Solution

The fourth proportional to 7,278.19, 10,043.97 and 4,134.44 is: 5,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.19 : 10,043.97 = 4,134.44 : x
  2. Step 2: Convert to fraction form
    7,278.19/10,043.97 = 4,134.44/x
  3. Step 3: Cross multiply
    7,278.19x = 10,043.97 × 4,134.44
  4. Step 4: Simplify right side
    7,278.19x = 41,526,216.44
  5. Step 5: Solve for x
    x = 41,526,216.44/7,278.19
  6. Step 6: Final answer
    x = 5,705.57

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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.