Home / 10,603.19-15,902.98-2,812.79

Finding the Fourth Proportional to 10,603.19, 15,902.98 and 2,812.79

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Solution

The fourth proportional to 10,603.19, 15,902.98 and 2,812.79 is: 4,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.19 : 15,902.98 = 2,812.79 : x
  2. Step 2: Convert to fraction form
    10,603.19/15,902.98 = 2,812.79/x
  3. Step 3: Cross multiply
    10,603.19x = 15,902.98 × 2,812.79
  4. Step 4: Simplify right side
    10,603.19x = 44,731,743.11
  5. Step 5: Solve for x
    x = 44,731,743.11/10,603.19
  6. Step 6: Final answer
    x = 4,218.71

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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.