Home / 6,294.78-9,438.42-2,133.60

Finding the Fourth Proportional to 6,294.78, 9,438.42 and 2,133.60

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Solution

The fourth proportional to 6,294.78, 9,438.42 and 2,133.60 is: 3,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.78 : 9,438.42 = 2,133.60 : x
  2. Step 2: Convert to fraction form
    6,294.78/9,438.42 = 2,133.60/x
  3. Step 3: Cross multiply
    6,294.78x = 9,438.42 × 2,133.60
  4. Step 4: Simplify right side
    6,294.78x = 20,137,812.91
  5. Step 5: Solve for x
    x = 20,137,812.91/6,294.78
  6. Step 6: Final answer
    x = 3,199.13

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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.