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Finding the Fourth Proportional to 8,634.77, 12,950.25 and 3,088.50

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Solution

The fourth proportional to 8,634.77, 12,950.25 and 3,088.50 is: 4,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.77 : 12,950.25 = 3,088.50 : x
  2. Step 2: Convert to fraction form
    8,634.77/12,950.25 = 3,088.50/x
  3. Step 3: Cross multiply
    8,634.77x = 12,950.25 × 3,088.50
  4. Step 4: Simplify right side
    8,634.77x = 39,996,847.13
  5. Step 5: Solve for x
    x = 39,996,847.13/8,634.77
  6. Step 6: Final answer
    x = 4,632.07

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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.