Home / 7,764.84-11,636.76-5,568.75

Finding the Fourth Proportional to 7,764.84, 11,636.76 and 5,568.75

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Solution

The fourth proportional to 7,764.84, 11,636.76 and 5,568.75 is: 8,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.84 : 11,636.76 = 5,568.75 : x
  2. Step 2: Convert to fraction form
    7,764.84/11,636.76 = 5,568.75/x
  3. Step 3: Cross multiply
    7,764.84x = 11,636.76 × 5,568.75
  4. Step 4: Simplify right side
    7,764.84x = 64,802,207.25
  5. Step 5: Solve for x
    x = 64,802,207.25/7,764.84
  6. Step 6: Final answer
    x = 8,345.59

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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.