Home / 6,406.68-8,841.22-3,612.18

Finding the Fourth Proportional to 6,406.68, 8,841.22 and 3,612.18

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Solution

The fourth proportional to 6,406.68, 8,841.22 and 3,612.18 is: 4,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.68 : 8,841.22 = 3,612.18 : x
  2. Step 2: Convert to fraction form
    6,406.68/8,841.22 = 3,612.18/x
  3. Step 3: Cross multiply
    6,406.68x = 8,841.22 × 3,612.18
  4. Step 4: Simplify right side
    6,406.68x = 31,936,078.06
  5. Step 5: Solve for x
    x = 31,936,078.06/6,406.68
  6. Step 6: Final answer
    x = 4,984.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.