Home / 5,439.87-7,507-3,082.03

Finding the Fourth Proportional to 5,439.87, 7,507 and 3,082.03

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Solution

The fourth proportional to 5,439.87, 7,507 and 3,082.03 is: 4,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.87 : 7,507 = 3,082.03 : x
  2. Step 2: Convert to fraction form
    5,439.87/7,507 = 3,082.03/x
  3. Step 3: Cross multiply
    5,439.87x = 7,507 × 3,082.03
  4. Step 4: Simplify right side
    5,439.87x = 23,136,799.21
  5. Step 5: Solve for x
    x = 23,136,799.21/5,439.87
  6. Step 6: Final answer
    x = 4,253.19

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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.