Home / 6,661.17-9,988.55-3,148.27

Finding the Fourth Proportional to 6,661.17, 9,988.55 and 3,148.27

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Solution

The fourth proportional to 6,661.17, 9,988.55 and 3,148.27 is: 4,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.17 : 9,988.55 = 3,148.27 : x
  2. Step 2: Convert to fraction form
    6,661.17/9,988.55 = 3,148.27/x
  3. Step 3: Cross multiply
    6,661.17x = 9,988.55 × 3,148.27
  4. Step 4: Simplify right side
    6,661.17x = 31,446,623.40
  5. Step 5: Solve for x
    x = 31,446,623.40/6,661.17
  6. Step 6: Final answer
    x = 4,720.89

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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.