Home / 8,107.47-12,151.80-3,664.22

Finding the Fourth Proportional to 8,107.47, 12,151.80 and 3,664.22

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Solution

The fourth proportional to 8,107.47, 12,151.80 and 3,664.22 is: 5,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.47 : 12,151.80 = 3,664.22 : x
  2. Step 2: Convert to fraction form
    8,107.47/12,151.80 = 3,664.22/x
  3. Step 3: Cross multiply
    8,107.47x = 12,151.80 × 3,664.22
  4. Step 4: Simplify right side
    8,107.47x = 44,526,807.84
  5. Step 5: Solve for x
    x = 44,526,807.84/8,107.47
  6. Step 6: Final answer
    x = 5,492.07

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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.