Home / 8,763.17-13,142.97-3,214.62

Finding the Fourth Proportional to 8,763.17, 13,142.97 and 3,214.62

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Solution

The fourth proportional to 8,763.17, 13,142.97 and 3,214.62 is: 4,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.17 : 13,142.97 = 3,214.62 : x
  2. Step 2: Convert to fraction form
    8,763.17/13,142.97 = 3,214.62/x
  3. Step 3: Cross multiply
    8,763.17x = 13,142.97 × 3,214.62
  4. Step 4: Simplify right side
    8,763.17x = 42,249,654.22
  5. Step 5: Solve for x
    x = 42,249,654.22/8,763.17
  6. Step 6: Final answer
    x = 4,821.28

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1.5x scale

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.