Home / 9,860.28-14,790.50-3,105.88

Finding the Fourth Proportional to 9,860.28, 14,790.50 and 3,105.88

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Solution

The fourth proportional to 9,860.28, 14,790.50 and 3,105.88 is: 4,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.28 : 14,790.50 = 3,105.88 : x
  2. Step 2: Convert to fraction form
    9,860.28/14,790.50 = 3,105.88/x
  3. Step 3: Cross multiply
    9,860.28x = 14,790.50 × 3,105.88
  4. Step 4: Simplify right side
    9,860.28x = 45,937,518.14
  5. Step 5: Solve for x
    x = 45,937,518.14/9,860.28
  6. Step 6: Final answer
    x = 4,658.85

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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.