Home / 4,699.78-7,049.80-2,618.62

Finding the Fourth Proportional to 4,699.78, 7,049.80 and 2,618.62

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Solution

The fourth proportional to 4,699.78, 7,049.80 and 2,618.62 is: 3,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.78 : 7,049.80 = 2,618.62 : x
  2. Step 2: Convert to fraction form
    4,699.78/7,049.80 = 2,618.62/x
  3. Step 3: Cross multiply
    4,699.78x = 7,049.80 × 2,618.62
  4. Step 4: Simplify right side
    4,699.78x = 18,460,747.28
  5. Step 5: Solve for x
    x = 18,460,747.28/4,699.78
  6. Step 6: Final answer
    x = 3,928.00

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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.