Home / 7,927.76-11,895.24-4,230.88

Finding the Fourth Proportional to 7,927.76, 11,895.24 and 4,230.88

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Solution

The fourth proportional to 7,927.76, 11,895.24 and 4,230.88 is: 6,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.76 : 11,895.24 = 4,230.88 : x
  2. Step 2: Convert to fraction form
    7,927.76/11,895.24 = 4,230.88/x
  3. Step 3: Cross multiply
    7,927.76x = 11,895.24 × 4,230.88
  4. Step 4: Simplify right side
    7,927.76x = 50,327,333.01
  5. Step 5: Solve for x
    x = 50,327,333.01/7,927.76
  6. Step 6: Final answer
    x = 6,348.24

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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.