Home / 7,848.66-11,769.95-2,917.19

Finding the Fourth Proportional to 7,848.66, 11,769.95 and 2,917.19

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Solution

The fourth proportional to 7,848.66, 11,769.95 and 2,917.19 is: 4,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.66 : 11,769.95 = 2,917.19 : x
  2. Step 2: Convert to fraction form
    7,848.66/11,769.95 = 2,917.19/x
  3. Step 3: Cross multiply
    7,848.66x = 11,769.95 × 2,917.19
  4. Step 4: Simplify right side
    7,848.66x = 34,335,107.00
  5. Step 5: Solve for x
    x = 34,335,107.00/7,848.66
  6. Step 6: Final answer
    x = 4,374.65

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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.