Home / 7,927.74-11,891.54-2,381.56

Finding the Fourth Proportional to 7,927.74, 11,891.54 and 2,381.56

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Solution

The fourth proportional to 7,927.74, 11,891.54 and 2,381.56 is: 3,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.74 : 11,891.54 = 2,381.56 : x
  2. Step 2: Convert to fraction form
    7,927.74/11,891.54 = 2,381.56/x
  3. Step 3: Cross multiply
    7,927.74x = 11,891.54 × 2,381.56
  4. Step 4: Simplify right side
    7,927.74x = 28,320,416.00
  5. Step 5: Solve for x
    x = 28,320,416.00/7,927.74
  6. Step 6: Final answer
    x = 3,572.32

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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.