Home / 7,299-10,091.82-6,972.60

Finding the Fourth Proportional to 7,299, 10,091.82 and 6,972.60

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Solution

The fourth proportional to 7,299, 10,091.82 and 6,972.60 is: 9,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299 : 10,091.82 = 6,972.60 : x
  2. Step 2: Convert to fraction form
    7,299/10,091.82 = 6,972.60/x
  3. Step 3: Cross multiply
    7,299x = 10,091.82 × 6,972.60
  4. Step 4: Simplify right side
    7,299x = 70,366,224.13
  5. Step 5: Solve for x
    x = 70,366,224.13/7,299
  6. Step 6: Final answer
    x = 9,640.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.