Home / 8,178.09-12,266.88-2,334.71

Finding the Fourth Proportional to 8,178.09, 12,266.88 and 2,334.71

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Solution

The fourth proportional to 8,178.09, 12,266.88 and 2,334.71 is: 3,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.09 : 12,266.88 = 2,334.71 : x
  2. Step 2: Convert to fraction form
    8,178.09/12,266.88 = 2,334.71/x
  3. Step 3: Cross multiply
    8,178.09x = 12,266.88 × 2,334.71
  4. Step 4: Simplify right side
    8,178.09x = 28,639,546.07
  5. Step 5: Solve for x
    x = 28,639,546.07/8,178.09
  6. Step 6: Final answer
    x = 3,501.98

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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.