Home / 7,151.14-10,726.77-2,936.71

Finding the Fourth Proportional to 7,151.14, 10,726.77 and 2,936.71

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Solution

The fourth proportional to 7,151.14, 10,726.77 and 2,936.71 is: 4,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.14 : 10,726.77 = 2,936.71 : x
  2. Step 2: Convert to fraction form
    7,151.14/10,726.77 = 2,936.71/x
  3. Step 3: Cross multiply
    7,151.14x = 10,726.77 × 2,936.71
  4. Step 4: Simplify right side
    7,151.14x = 31,501,412.73
  5. Step 5: Solve for x
    x = 31,501,412.73/7,151.14
  6. Step 6: Final answer
    x = 4,405.09

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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.