Home / 8,679.34-13,015.77-2,834.38

Finding the Fourth Proportional to 8,679.34, 13,015.77 and 2,834.38

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Solution

The fourth proportional to 8,679.34, 13,015.77 and 2,834.38 is: 4,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.34 : 13,015.77 = 2,834.38 : x
  2. Step 2: Convert to fraction form
    8,679.34/13,015.77 = 2,834.38/x
  3. Step 3: Cross multiply
    8,679.34x = 13,015.77 × 2,834.38
  4. Step 4: Simplify right side
    8,679.34x = 36,891,638.17
  5. Step 5: Solve for x
    x = 36,891,638.17/8,679.34
  6. Step 6: Final answer
    x = 4,250.51

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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.