Home / 4,400.28-6,598.89-1,279.44

Finding the Fourth Proportional to 4,400.28, 6,598.89 and 1,279.44

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Solution

The fourth proportional to 4,400.28, 6,598.89 and 1,279.44 is: 1,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.28 : 6,598.89 = 1,279.44 : x
  2. Step 2: Convert to fraction form
    4,400.28/6,598.89 = 1,279.44/x
  3. Step 3: Cross multiply
    4,400.28x = 6,598.89 × 1,279.44
  4. Step 4: Simplify right side
    4,400.28x = 8,442,883.82
  5. Step 5: Solve for x
    x = 8,442,883.82/4,400.28
  6. Step 6: Final answer
    x = 1,918.72

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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.