Home / 7,766.43-11,656.63-5,261.56

Finding the Fourth Proportional to 7,766.43, 11,656.63 and 5,261.56

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Solution

The fourth proportional to 7,766.43, 11,656.63 and 5,261.56 is: 7,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.43 : 11,656.63 = 5,261.56 : x
  2. Step 2: Convert to fraction form
    7,766.43/11,656.63 = 5,261.56/x
  3. Step 3: Cross multiply
    7,766.43x = 11,656.63 × 5,261.56
  4. Step 4: Simplify right side
    7,766.43x = 61,332,050.38
  5. Step 5: Solve for x
    x = 61,332,050.38/7,766.43
  6. Step 6: Final answer
    x = 7,897.07

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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.