Home / 10,286.41-15,430.52-2,890.93

Finding the Fourth Proportional to 10,286.41, 15,430.52 and 2,890.93

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Solution

The fourth proportional to 10,286.41, 15,430.52 and 2,890.93 is: 4,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.41 : 15,430.52 = 2,890.93 : x
  2. Step 2: Convert to fraction form
    10,286.41/15,430.52 = 2,890.93/x
  3. Step 3: Cross multiply
    10,286.41x = 15,430.52 × 2,890.93
  4. Step 4: Simplify right side
    10,286.41x = 44,608,553.18
  5. Step 5: Solve for x
    x = 44,608,553.18/10,286.41
  6. Step 6: Final answer
    x = 4,336.65

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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.