Home / 7,334.49-11,012.67-5,147.49

Finding the Fourth Proportional to 7,334.49, 11,012.67 and 5,147.49

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Solution

The fourth proportional to 7,334.49, 11,012.67 and 5,147.49 is: 7,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.49 : 11,012.67 = 5,147.49 : x
  2. Step 2: Convert to fraction form
    7,334.49/11,012.67 = 5,147.49/x
  3. Step 3: Cross multiply
    7,334.49x = 11,012.67 × 5,147.49
  4. Step 4: Simplify right side
    7,334.49x = 56,687,608.70
  5. Step 5: Solve for x
    x = 56,687,608.70/7,334.49
  6. Step 6: Final answer
    x = 7,728.91

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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.