Home / 8,360.27-12,541.09-3,429.95

Finding the Fourth Proportional to 8,360.27, 12,541.09 and 3,429.95

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Solution

The fourth proportional to 8,360.27, 12,541.09 and 3,429.95 is: 5,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.27 : 12,541.09 = 3,429.95 : x
  2. Step 2: Convert to fraction form
    8,360.27/12,541.09 = 3,429.95/x
  3. Step 3: Cross multiply
    8,360.27x = 12,541.09 × 3,429.95
  4. Step 4: Simplify right side
    8,360.27x = 43,015,334.42
  5. Step 5: Solve for x
    x = 43,015,334.42/8,360.27
  6. Step 6: Final answer
    x = 5,145.21

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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.