Home / 9,778.14-14,667.90-3,934.75

Finding the Fourth Proportional to 9,778.14, 14,667.90 and 3,934.75

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Solution

The fourth proportional to 9,778.14, 14,667.90 and 3,934.75 is: 5,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.14 : 14,667.90 = 3,934.75 : x
  2. Step 2: Convert to fraction form
    9,778.14/14,667.90 = 3,934.75/x
  3. Step 3: Cross multiply
    9,778.14x = 14,667.90 × 3,934.75
  4. Step 4: Simplify right side
    9,778.14x = 57,714,519.53
  5. Step 5: Solve for x
    x = 57,714,519.53/9,778.14
  6. Step 6: Final answer
    x = 5,902.40

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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.