Home / 4,172.85-6,259.32-3,440.61

Finding the Fourth Proportional to 4,172.85, 6,259.32 and 3,440.61

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Solution

The fourth proportional to 4,172.85, 6,259.32 and 3,440.61 is: 5,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.85 : 6,259.32 = 3,440.61 : x
  2. Step 2: Convert to fraction form
    4,172.85/6,259.32 = 3,440.61/x
  3. Step 3: Cross multiply
    4,172.85x = 6,259.32 × 3,440.61
  4. Step 4: Simplify right side
    4,172.85x = 21,535,878.99
  5. Step 5: Solve for x
    x = 21,535,878.99/4,172.85
  6. Step 6: Final answer
    x = 5,160.95

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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.