Home / 6,608.86-9,119.58-3,956.21

Finding the Fourth Proportional to 6,608.86, 9,119.58 and 3,956.21

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Solution

The fourth proportional to 6,608.86, 9,119.58 and 3,956.21 is: 5,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.86 : 9,119.58 = 3,956.21 : x
  2. Step 2: Convert to fraction form
    6,608.86/9,119.58 = 3,956.21/x
  3. Step 3: Cross multiply
    6,608.86x = 9,119.58 × 3,956.21
  4. Step 4: Simplify right side
    6,608.86x = 36,078,973.59
  5. Step 5: Solve for x
    x = 36,078,973.59/6,608.86
  6. Step 6: Final answer
    x = 5,459.18

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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.