Home / 4,478.22-6,708.08-3,489.99

Finding the Fourth Proportional to 4,478.22, 6,708.08 and 3,489.99

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Solution

The fourth proportional to 4,478.22, 6,708.08 and 3,489.99 is: 5,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.22 : 6,708.08 = 3,489.99 : x
  2. Step 2: Convert to fraction form
    4,478.22/6,708.08 = 3,489.99/x
  3. Step 3: Cross multiply
    4,478.22x = 6,708.08 × 3,489.99
  4. Step 4: Simplify right side
    4,478.22x = 23,411,115.69
  5. Step 5: Solve for x
    x = 23,411,115.69/4,478.22
  6. Step 6: Final answer
    x = 5,227.77

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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.