Home / 7,151.07-10,726.80-1,956.95

Finding the Fourth Proportional to 7,151.07, 10,726.80 and 1,956.95

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Solution

The fourth proportional to 7,151.07, 10,726.80 and 1,956.95 is: 2,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.07 : 10,726.80 = 1,956.95 : x
  2. Step 2: Convert to fraction form
    7,151.07/10,726.80 = 1,956.95/x
  3. Step 3: Cross multiply
    7,151.07x = 10,726.80 × 1,956.95
  4. Step 4: Simplify right side
    7,151.07x = 20,991,811.26
  5. Step 5: Solve for x
    x = 20,991,811.26/7,151.07
  6. Step 6: Final answer
    x = 2,935.48

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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.