Home / 7,186.67-10,780.05-2,506.65

Finding the Fourth Proportional to 7,186.67, 10,780.05 and 2,506.65

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Solution

The fourth proportional to 7,186.67, 10,780.05 and 2,506.65 is: 3,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.67 : 10,780.05 = 2,506.65 : x
  2. Step 2: Convert to fraction form
    7,186.67/10,780.05 = 2,506.65/x
  3. Step 3: Cross multiply
    7,186.67x = 10,780.05 × 2,506.65
  4. Step 4: Simplify right side
    7,186.67x = 27,021,851.11
  5. Step 5: Solve for x
    x = 27,021,851.11/7,186.67
  6. Step 6: Final answer
    x = 3,760.00

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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.