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Finding the Fourth Proportional to 8,640.02, 12,962.73 and 2,797.07

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Solution

The fourth proportional to 8,640.02, 12,962.73 and 2,797.07 is: 4,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.02 : 12,962.73 = 2,797.07 : x
  2. Step 2: Convert to fraction form
    8,640.02/12,962.73 = 2,797.07/x
  3. Step 3: Cross multiply
    8,640.02x = 12,962.73 × 2,797.07
  4. Step 4: Simplify right side
    8,640.02x = 36,257,663.20
  5. Step 5: Solve for x
    x = 36,257,663.20/8,640.02
  6. Step 6: Final answer
    x = 4,196.48

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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.