Home / 8,184.97-12,278.58-2,636.47

Finding the Fourth Proportional to 8,184.97, 12,278.58 and 2,636.47

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Solution

The fourth proportional to 8,184.97, 12,278.58 and 2,636.47 is: 3,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.97 : 12,278.58 = 2,636.47 : x
  2. Step 2: Convert to fraction form
    8,184.97/12,278.58 = 2,636.47/x
  3. Step 3: Cross multiply
    8,184.97x = 12,278.58 × 2,636.47
  4. Step 4: Simplify right side
    8,184.97x = 32,372,107.81
  5. Step 5: Solve for x
    x = 32,372,107.81/8,184.97
  6. Step 6: Final answer
    x = 3,955.07

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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.