Home / 7,564.71-11,339.77-3,868.68

Finding the Fourth Proportional to 7,564.71, 11,339.77 and 3,868.68

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Solution

The fourth proportional to 7,564.71, 11,339.77 and 3,868.68 is: 5,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.71 : 11,339.77 = 3,868.68 : x
  2. Step 2: Convert to fraction form
    7,564.71/11,339.77 = 3,868.68/x
  3. Step 3: Cross multiply
    7,564.71x = 11,339.77 × 3,868.68
  4. Step 4: Simplify right side
    7,564.71x = 43,869,941.40
  5. Step 5: Solve for x
    x = 43,869,941.40/7,564.71
  6. Step 6: Final answer
    x = 5,799.29

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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.