Home / 7,615.67-11,427.83-3,001.91

Finding the Fourth Proportional to 7,615.67, 11,427.83 and 3,001.91

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Solution

The fourth proportional to 7,615.67, 11,427.83 and 3,001.91 is: 4,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.67 : 11,427.83 = 3,001.91 : x
  2. Step 2: Convert to fraction form
    7,615.67/11,427.83 = 3,001.91/x
  3. Step 3: Cross multiply
    7,615.67x = 11,427.83 × 3,001.91
  4. Step 4: Simplify right side
    7,615.67x = 34,305,317.16
  5. Step 5: Solve for x
    x = 34,305,317.16/7,615.67
  6. Step 6: Final answer
    x = 4,504.57

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1.5x scale

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.