Home / 5,123.94-7,686-2,202.30

Finding the Fourth Proportional to 5,123.94, 7,686 and 2,202.30

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Solution

The fourth proportional to 5,123.94, 7,686 and 2,202.30 is: 3,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.94 : 7,686 = 2,202.30 : x
  2. Step 2: Convert to fraction form
    5,123.94/7,686 = 2,202.30/x
  3. Step 3: Cross multiply
    5,123.94x = 7,686 × 2,202.30
  4. Step 4: Simplify right side
    5,123.94x = 16,926,877.80
  5. Step 5: Solve for x
    x = 16,926,877.80/5,123.94
  6. Step 6: Final answer
    x = 3,303.49

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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.