Home / 4,780.06-7,170.06-2,699.11

Finding the Fourth Proportional to 4,780.06, 7,170.06 and 2,699.11

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Solution

The fourth proportional to 4,780.06, 7,170.06 and 2,699.11 is: 4,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.06 : 7,170.06 = 2,699.11 : x
  2. Step 2: Convert to fraction form
    4,780.06/7,170.06 = 2,699.11/x
  3. Step 3: Cross multiply
    4,780.06x = 7,170.06 × 2,699.11
  4. Step 4: Simplify right side
    4,780.06x = 19,352,780.65
  5. Step 5: Solve for x
    x = 19,352,780.65/4,780.06
  6. Step 6: Final answer
    x = 4,048.65

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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.