Home / 6,608.86-9,120.23-3,624.72

Finding the Fourth Proportional to 6,608.86, 9,120.23 and 3,624.72

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Solution

The fourth proportional to 6,608.86, 9,120.23 and 3,624.72 is: 5,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.86 : 9,120.23 = 3,624.72 : x
  2. Step 2: Convert to fraction form
    6,608.86/9,120.23 = 3,624.72/x
  3. Step 3: Cross multiply
    6,608.86x = 9,120.23 × 3,624.72
  4. Step 4: Simplify right side
    6,608.86x = 33,058,241.35
  5. Step 5: Solve for x
    x = 33,058,241.35/6,608.86
  6. Step 6: Final answer
    x = 5,002.11

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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.