Home / 7,240.72-10,861.94-2,559.77

Finding the Fourth Proportional to 7,240.72, 10,861.94 and 2,559.77

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Solution

The fourth proportional to 7,240.72, 10,861.94 and 2,559.77 is: 3,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.72 : 10,861.94 = 2,559.77 : x
  2. Step 2: Convert to fraction form
    7,240.72/10,861.94 = 2,559.77/x
  3. Step 3: Cross multiply
    7,240.72x = 10,861.94 × 2,559.77
  4. Step 4: Simplify right side
    7,240.72x = 27,804,013.84
  5. Step 5: Solve for x
    x = 27,804,013.84/7,240.72
  6. Step 6: Final answer
    x = 3,839.95

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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.