Home / 7,760.81-11,642.44-2,567.90

Finding the Fourth Proportional to 7,760.81, 11,642.44 and 2,567.90

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Solution

The fourth proportional to 7,760.81, 11,642.44 and 2,567.90 is: 3,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.81 : 11,642.44 = 2,567.90 : x
  2. Step 2: Convert to fraction form
    7,760.81/11,642.44 = 2,567.90/x
  3. Step 3: Cross multiply
    7,760.81x = 11,642.44 × 2,567.90
  4. Step 4: Simplify right side
    7,760.81x = 29,896,644.36
  5. Step 5: Solve for x
    x = 29,896,644.36/7,760.81
  6. Step 6: Final answer
    x = 3,852.26

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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.