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Finding the Fourth Proportional to 8,549, 11,799.62 and 5,559.66

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Solution

The fourth proportional to 8,549, 11,799.62 and 5,559.66 is: 7,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549 : 11,799.62 = 5,559.66 : x
  2. Step 2: Convert to fraction form
    8,549/11,799.62 = 5,559.66/x
  3. Step 3: Cross multiply
    8,549x = 11,799.62 × 5,559.66
  4. Step 4: Simplify right side
    8,549x = 65,601,875.33
  5. Step 5: Solve for x
    x = 65,601,875.33/8,549
  6. Step 6: Final answer
    x = 7,673.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.