Home / 5,486.09-8,229.05-1,326.07

Finding the Fourth Proportional to 5,486.09, 8,229.05 and 1,326.07

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Solution

The fourth proportional to 5,486.09, 8,229.05 and 1,326.07 is: 1,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.09 : 8,229.05 = 1,326.07 : x
  2. Step 2: Convert to fraction form
    5,486.09/8,229.05 = 1,326.07/x
  3. Step 3: Cross multiply
    5,486.09x = 8,229.05 × 1,326.07
  4. Step 4: Simplify right side
    5,486.09x = 10,912,248.56
  5. Step 5: Solve for x
    x = 10,912,248.56/5,486.09
  6. Step 6: Final answer
    x = 1,989.08

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1.5x scale

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.