Home / 9,291.20-13,934.04-2,715.81

Finding the Fourth Proportional to 9,291.20, 13,934.04 and 2,715.81

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Solution

The fourth proportional to 9,291.20, 13,934.04 and 2,715.81 is: 4,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.20 : 13,934.04 = 2,715.81 : x
  2. Step 2: Convert to fraction form
    9,291.20/13,934.04 = 2,715.81/x
  3. Step 3: Cross multiply
    9,291.20x = 13,934.04 × 2,715.81
  4. Step 4: Simplify right side
    9,291.20x = 37,842,205.17
  5. Step 5: Solve for x
    x = 37,842,205.17/9,291.20
  6. Step 6: Final answer
    x = 4,072.91

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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.