Home / 4,478.25-6,684.50-4,148.38

Finding the Fourth Proportional to 4,478.25, 6,684.50 and 4,148.38

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Solution

The fourth proportional to 4,478.25, 6,684.50 and 4,148.38 is: 6,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.25 : 6,684.50 = 4,148.38 : x
  2. Step 2: Convert to fraction form
    4,478.25/6,684.50 = 4,148.38/x
  3. Step 3: Cross multiply
    4,478.25x = 6,684.50 × 4,148.38
  4. Step 4: Simplify right side
    4,478.25x = 27,729,812.69
  5. Step 5: Solve for x
    x = 27,729,812.69/4,478.25
  6. Step 6: Final answer
    x = 6,192.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.