Home / 5,515.21-7,607.96-3,494.92

Finding the Fourth Proportional to 5,515.21, 7,607.96 and 3,494.92

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Solution

The fourth proportional to 5,515.21, 7,607.96 and 3,494.92 is: 4,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.21 : 7,607.96 = 3,494.92 : x
  2. Step 2: Convert to fraction form
    5,515.21/7,607.96 = 3,494.92/x
  3. Step 3: Cross multiply
    5,515.21x = 7,607.96 × 3,494.92
  4. Step 4: Simplify right side
    5,515.21x = 26,589,194.09
  5. Step 5: Solve for x
    x = 26,589,194.09/5,515.21
  6. Step 6: Final answer
    x = 4,821.07

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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.