Home / 10,351.69-15,527.78-3,777.87

Finding the Fourth Proportional to 10,351.69, 15,527.78 and 3,777.87

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Solution

The fourth proportional to 10,351.69, 15,527.78 and 3,777.87 is: 5,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.69 : 15,527.78 = 3,777.87 : x
  2. Step 2: Convert to fraction form
    10,351.69/15,527.78 = 3,777.87/x
  3. Step 3: Cross multiply
    10,351.69x = 15,527.78 × 3,777.87
  4. Step 4: Simplify right side
    10,351.69x = 58,661,934.23
  5. Step 5: Solve for x
    x = 58,661,934.23/10,351.69
  6. Step 6: Final answer
    x = 5,666.89

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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.