Home / 7,391.28-11,077.32-3,003.63

Finding the Fourth Proportional to 7,391.28, 11,077.32 and 3,003.63

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Solution

The fourth proportional to 7,391.28, 11,077.32 and 3,003.63 is: 4,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.28 : 11,077.32 = 3,003.63 : x
  2. Step 2: Convert to fraction form
    7,391.28/11,077.32 = 3,003.63/x
  3. Step 3: Cross multiply
    7,391.28x = 11,077.32 × 3,003.63
  4. Step 4: Simplify right side
    7,391.28x = 33,272,170.67
  5. Step 5: Solve for x
    x = 33,272,170.67/7,391.28
  6. Step 6: Final answer
    x = 4,501.54

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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.