Home / 7,766.79-11,643.78-2,833.28

Finding the Fourth Proportional to 7,766.79, 11,643.78 and 2,833.28

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Solution

The fourth proportional to 7,766.79, 11,643.78 and 2,833.28 is: 4,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.79 : 11,643.78 = 2,833.28 : x
  2. Step 2: Convert to fraction form
    7,766.79/11,643.78 = 2,833.28/x
  3. Step 3: Cross multiply
    7,766.79x = 11,643.78 × 2,833.28
  4. Step 4: Simplify right side
    7,766.79x = 32,990,085.07
  5. Step 5: Solve for x
    x = 32,990,085.07/7,766.79
  6. Step 6: Final answer
    x = 4,247.59

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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.