Home / 7,836.96-11,748-2,905.32

Finding the Fourth Proportional to 7,836.96, 11,748 and 2,905.32

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Solution

The fourth proportional to 7,836.96, 11,748 and 2,905.32 is: 4,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.96 : 11,748 = 2,905.32 : x
  2. Step 2: Convert to fraction form
    7,836.96/11,748 = 2,905.32/x
  3. Step 3: Cross multiply
    7,836.96x = 11,748 × 2,905.32
  4. Step 4: Simplify right side
    7,836.96x = 34,131,699.36
  5. Step 5: Solve for x
    x = 34,131,699.36/7,836.96
  6. Step 6: Final answer
    x = 4,355.22

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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.