Home / 7,934.76-11,897.98-2,739.40

Finding the Fourth Proportional to 7,934.76, 11,897.98 and 2,739.40

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Solution

The fourth proportional to 7,934.76, 11,897.98 and 2,739.40 is: 4,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.76 : 11,897.98 = 2,739.40 : x
  2. Step 2: Convert to fraction form
    7,934.76/11,897.98 = 2,739.40/x
  3. Step 3: Cross multiply
    7,934.76x = 11,897.98 × 2,739.40
  4. Step 4: Simplify right side
    7,934.76x = 32,593,326.41
  5. Step 5: Solve for x
    x = 32,593,326.41/7,934.76
  6. Step 6: Final answer
    x = 4,107.66

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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.