Home / 6,661.65-9,987.35-2,501.57

Finding the Fourth Proportional to 6,661.65, 9,987.35 and 2,501.57

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Solution

The fourth proportional to 6,661.65, 9,987.35 and 2,501.57 is: 3,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.65 : 9,987.35 = 2,501.57 : x
  2. Step 2: Convert to fraction form
    6,661.65/9,987.35 = 2,501.57/x
  3. Step 3: Cross multiply
    6,661.65x = 9,987.35 × 2,501.57
  4. Step 4: Simplify right side
    6,661.65x = 24,984,067.60
  5. Step 5: Solve for x
    x = 24,984,067.60/6,661.65
  6. Step 6: Final answer
    x = 3,750.43

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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.