Home / 7,927.88-11,891.36-2,381.10

Finding the Fourth Proportional to 7,927.88, 11,891.36 and 2,381.10

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Solution

The fourth proportional to 7,927.88, 11,891.36 and 2,381.10 is: 3,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.88 : 11,891.36 = 2,381.10 : x
  2. Step 2: Convert to fraction form
    7,927.88/11,891.36 = 2,381.10/x
  3. Step 3: Cross multiply
    7,927.88x = 11,891.36 × 2,381.10
  4. Step 4: Simplify right side
    7,927.88x = 28,314,465.26
  5. Step 5: Solve for x
    x = 28,314,465.26/7,927.88
  6. Step 6: Final answer
    x = 3,571.51

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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.