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Finding the Fourth Proportional to 8,774, 12,108.02 and 4,795.10

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Solution

The fourth proportional to 8,774, 12,108.02 and 4,795.10 is: 6,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774 : 12,108.02 = 4,795.10 : x
  2. Step 2: Convert to fraction form
    8,774/12,108.02 = 4,795.10/x
  3. Step 3: Cross multiply
    8,774x = 12,108.02 × 4,795.10
  4. Step 4: Simplify right side
    8,774x = 58,059,166.70
  5. Step 5: Solve for x
    x = 58,059,166.70/8,774
  6. Step 6: Final answer
    x = 6,617.18

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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.