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Finding the Fourth Proportional to 7,901, 11,851.50 and 2,707.28

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Solution

The fourth proportional to 7,901, 11,851.50 and 2,707.28 is: 4,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901 : 11,851.50 = 2,707.28 : x
  2. Step 2: Convert to fraction form
    7,901/11,851.50 = 2,707.28/x
  3. Step 3: Cross multiply
    7,901x = 11,851.50 × 2,707.28
  4. Step 4: Simplify right side
    7,901x = 32,085,328.92
  5. Step 5: Solve for x
    x = 32,085,328.92/7,901
  6. Step 6: Final answer
    x = 4,060.92

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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.