Home / 6,240.06-9,396.99-5,428.14

Finding the Fourth Proportional to 6,240.06, 9,396.99 and 5,428.14

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Solution

The fourth proportional to 6,240.06, 9,396.99 and 5,428.14 is: 8,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.06 : 9,396.99 = 5,428.14 : x
  2. Step 2: Convert to fraction form
    6,240.06/9,396.99 = 5,428.14/x
  3. Step 3: Cross multiply
    6,240.06x = 9,396.99 × 5,428.14
  4. Step 4: Simplify right side
    6,240.06x = 51,008,177.30
  5. Step 5: Solve for x
    x = 51,008,177.30/6,240.06
  6. Step 6: Final answer
    x = 8,174.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.