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Finding the Fourth Proportional to 7,296.75, 10,067.12 and 4,312.00

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Solution

The fourth proportional to 7,296.75, 10,067.12 and 4,312.00 is: 5,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.75 : 10,067.12 = 4,312.00 : x
  2. Step 2: Convert to fraction form
    7,296.75/10,067.12 = 4,312.00/x
  3. Step 3: Cross multiply
    7,296.75x = 10,067.12 × 4,312.00
  4. Step 4: Simplify right side
    7,296.75x = 43,409,428.63
  5. Step 5: Solve for x
    x = 43,409,428.63/7,296.75
  6. Step 6: Final answer
    x = 5,949.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.