Home / 4,338.88-6,508.80-1,261.12

Finding the Fourth Proportional to 4,338.88, 6,508.80 and 1,261.12

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Solution

The fourth proportional to 4,338.88, 6,508.80 and 1,261.12 is: 1,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.88 : 6,508.80 = 1,261.12 : x
  2. Step 2: Convert to fraction form
    4,338.88/6,508.80 = 1,261.12/x
  3. Step 3: Cross multiply
    4,338.88x = 6,508.80 × 1,261.12
  4. Step 4: Simplify right side
    4,338.88x = 8,208,377.86
  5. Step 5: Solve for x
    x = 8,208,377.86/4,338.88
  6. Step 6: Final answer
    x = 1,891.82

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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.