Home / 4,071.88-6,107.48-1,298.44

Finding the Fourth Proportional to 4,071.88, 6,107.48 and 1,298.44

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Solution

The fourth proportional to 4,071.88, 6,107.48 and 1,298.44 is: 1,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.88 : 6,107.48 = 1,298.44 : x
  2. Step 2: Convert to fraction form
    4,071.88/6,107.48 = 1,298.44/x
  3. Step 3: Cross multiply
    4,071.88x = 6,107.48 × 1,298.44
  4. Step 4: Simplify right side
    4,071.88x = 7,930,196.33
  5. Step 5: Solve for x
    x = 7,930,196.33/4,071.88
  6. Step 6: Final answer
    x = 1,947.55

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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.