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Finding the Fourth Proportional to 8,088.78, 12,133.14 and 2,894.64

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Solution

The fourth proportional to 8,088.78, 12,133.14 and 2,894.64 is: 4,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.78 : 12,133.14 = 2,894.64 : x
  2. Step 2: Convert to fraction form
    8,088.78/12,133.14 = 2,894.64/x
  3. Step 3: Cross multiply
    8,088.78x = 12,133.14 × 2,894.64
  4. Step 4: Simplify right side
    8,088.78x = 35,121,072.37
  5. Step 5: Solve for x
    x = 35,121,072.37/8,088.78
  6. Step 6: Final answer
    x = 4,341.95

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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.