Home / 5,099.88-7,653.08-2,178.18

Finding the Fourth Proportional to 5,099.88, 7,653.08 and 2,178.18

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Solution

The fourth proportional to 5,099.88, 7,653.08 and 2,178.18 is: 3,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.88 : 7,653.08 = 2,178.18 : x
  2. Step 2: Convert to fraction form
    5,099.88/7,653.08 = 2,178.18/x
  3. Step 3: Cross multiply
    5,099.88x = 7,653.08 × 2,178.18
  4. Step 4: Simplify right side
    5,099.88x = 16,669,791.24
  5. Step 5: Solve for x
    x = 16,669,791.24/5,099.88
  6. Step 6: Final answer
    x = 3,268.66

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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.