Home / 7,738.76-11,602.97-2,807.75

Finding the Fourth Proportional to 7,738.76, 11,602.97 and 2,807.75

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Solution

The fourth proportional to 7,738.76, 11,602.97 and 2,807.75 is: 4,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.76 : 11,602.97 = 2,807.75 : x
  2. Step 2: Convert to fraction form
    7,738.76/11,602.97 = 2,807.75/x
  3. Step 3: Cross multiply
    7,738.76x = 11,602.97 × 2,807.75
  4. Step 4: Simplify right side
    7,738.76x = 32,578,275.04
  5. Step 5: Solve for x
    x = 32,578,275.04/7,738.76
  6. Step 6: Final answer
    x = 4,209.76

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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.