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Finding the Fourth Proportional to 8,797.02, 13,192.21 and 2,872.52

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Solution

The fourth proportional to 8,797.02, 13,192.21 and 2,872.52 is: 4,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.02 : 13,192.21 = 2,872.52 : x
  2. Step 2: Convert to fraction form
    8,797.02/13,192.21 = 2,872.52/x
  3. Step 3: Cross multiply
    8,797.02x = 13,192.21 × 2,872.52
  4. Step 4: Simplify right side
    8,797.02x = 37,894,887.07
  5. Step 5: Solve for x
    x = 37,894,887.07/8,797.02
  6. Step 6: Final answer
    x = 4,307.70

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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.