Home / 9,141.14-13,709.76-2,901.71

Finding the Fourth Proportional to 9,141.14, 13,709.76 and 2,901.71

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Solution

The fourth proportional to 9,141.14, 13,709.76 and 2,901.71 is: 4,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.14 : 13,709.76 = 2,901.71 : x
  2. Step 2: Convert to fraction form
    9,141.14/13,709.76 = 2,901.71/x
  3. Step 3: Cross multiply
    9,141.14x = 13,709.76 × 2,901.71
  4. Step 4: Simplify right side
    9,141.14x = 39,781,747.69
  5. Step 5: Solve for x
    x = 39,781,747.69/9,141.14
  6. Step 6: Final answer
    x = 4,351.95

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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.