Home / 7,836.69-11,747.54-2,905.01

Finding the Fourth Proportional to 7,836.69, 11,747.54 and 2,905.01

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Solution

The fourth proportional to 7,836.69, 11,747.54 and 2,905.01 is: 4,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.69 : 11,747.54 = 2,905.01 : x
  2. Step 2: Convert to fraction form
    7,836.69/11,747.54 = 2,905.01/x
  3. Step 3: Cross multiply
    7,836.69x = 11,747.54 × 2,905.01
  4. Step 4: Simplify right side
    7,836.69x = 34,126,721.18
  5. Step 5: Solve for x
    x = 34,126,721.18/7,836.69
  6. Step 6: Final answer
    x = 4,354.74

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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.