Home / 9,778.28-14,668.79-3,204.99

Finding the Fourth Proportional to 9,778.28, 14,668.79 and 3,204.99

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Solution

The fourth proportional to 9,778.28, 14,668.79 and 3,204.99 is: 4,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.28 : 14,668.79 = 3,204.99 : x
  2. Step 2: Convert to fraction form
    9,778.28/14,668.79 = 3,204.99/x
  3. Step 3: Cross multiply
    9,778.28x = 14,668.79 × 3,204.99
  4. Step 4: Simplify right side
    9,778.28x = 47,013,309.24
  5. Step 5: Solve for x
    x = 47,013,309.24/9,778.28
  6. Step 6: Final answer
    x = 4,807.93

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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.