Home / 8,631-12,946.68-2,475

Finding the Fourth Proportional to 8,631, 12,946.68 and 2,475

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Solution

The fourth proportional to 8,631, 12,946.68 and 2,475 is: 3,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631 : 12,946.68 = 2,475 : x
  2. Step 2: Convert to fraction form
    8,631/12,946.68 = 2,475/x
  3. Step 3: Cross multiply
    8,631x = 12,946.68 × 2,475
  4. Step 4: Simplify right side
    8,631x = 32,043,033
  5. Step 5: Solve for x
    x = 32,043,033/8,631
  6. Step 6: Final answer
    x = 3,712.55

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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.