Home / 8,486.19-12,727.85-2,328.75

Finding the Fourth Proportional to 8,486.19, 12,727.85 and 2,328.75

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Solution

The fourth proportional to 8,486.19, 12,727.85 and 2,328.75 is: 3,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.19 : 12,727.85 = 2,328.75 : x
  2. Step 2: Convert to fraction form
    8,486.19/12,727.85 = 2,328.75/x
  3. Step 3: Cross multiply
    8,486.19x = 12,727.85 × 2,328.75
  4. Step 4: Simplify right side
    8,486.19x = 29,639,969.04
  5. Step 5: Solve for x
    x = 29,639,969.04/8,486.19
  6. Step 6: Final answer
    x = 3,492.73

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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.