Home / 5,449.84-8,173.02-2,161.96

Finding the Fourth Proportional to 5,449.84, 8,173.02 and 2,161.96

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Solution

The fourth proportional to 5,449.84, 8,173.02 and 2,161.96 is: 3,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.84 : 8,173.02 = 2,161.96 : x
  2. Step 2: Convert to fraction form
    5,449.84/8,173.02 = 2,161.96/x
  3. Step 3: Cross multiply
    5,449.84x = 8,173.02 × 2,161.96
  4. Step 4: Simplify right side
    5,449.84x = 17,669,742.32
  5. Step 5: Solve for x
    x = 17,669,742.32/5,449.84
  6. Step 6: Final answer
    x = 3,242.25

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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.