Home / 9,928.77-14,849.40-5,757.98

Finding the Fourth Proportional to 9,928.77, 14,849.40 and 5,757.98

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Solution

The fourth proportional to 9,928.77, 14,849.40 and 5,757.98 is: 8,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.77 : 14,849.40 = 5,757.98 : x
  2. Step 2: Convert to fraction form
    9,928.77/14,849.40 = 5,757.98/x
  3. Step 3: Cross multiply
    9,928.77x = 14,849.40 × 5,757.98
  4. Step 4: Simplify right side
    9,928.77x = 85,502,473.97
  5. Step 5: Solve for x
    x = 85,502,473.97/9,928.77
  6. Step 6: Final answer
    x = 8,611.59

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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.