Home / 7,238.94-10,859.72-2,561.66

Finding the Fourth Proportional to 7,238.94, 10,859.72 and 2,561.66

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Solution

The fourth proportional to 7,238.94, 10,859.72 and 2,561.66 is: 3,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.94 : 10,859.72 = 2,561.66 : x
  2. Step 2: Convert to fraction form
    7,238.94/10,859.72 = 2,561.66/x
  3. Step 3: Cross multiply
    7,238.94x = 10,859.72 × 2,561.66
  4. Step 4: Simplify right side
    7,238.94x = 27,818,910.34
  5. Step 5: Solve for x
    x = 27,818,910.34/7,238.94
  6. Step 6: Final answer
    x = 3,842.95

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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.