Home / 7,760.26-11,643.81-4,428.37

Finding the Fourth Proportional to 7,760.26, 11,643.81 and 4,428.37

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Solution

The fourth proportional to 7,760.26, 11,643.81 and 4,428.37 is: 6,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.26 : 11,643.81 = 4,428.37 : x
  2. Step 2: Convert to fraction form
    7,760.26/11,643.81 = 4,428.37/x
  3. Step 3: Cross multiply
    7,760.26x = 11,643.81 × 4,428.37
  4. Step 4: Simplify right side
    7,760.26x = 51,563,098.89
  5. Step 5: Solve for x
    x = 51,563,098.89/7,760.26
  6. Step 6: Final answer
    x = 6,644.51

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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.