Home / 5,548.68-8,319.78-2,086.20

Finding the Fourth Proportional to 5,548.68, 8,319.78 and 2,086.20

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Solution

The fourth proportional to 5,548.68, 8,319.78 and 2,086.20 is: 3,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.68 : 8,319.78 = 2,086.20 : x
  2. Step 2: Convert to fraction form
    5,548.68/8,319.78 = 2,086.20/x
  3. Step 3: Cross multiply
    5,548.68x = 8,319.78 × 2,086.20
  4. Step 4: Simplify right side
    5,548.68x = 17,356,725.04
  5. Step 5: Solve for x
    x = 17,356,725.04/5,548.68
  6. Step 6: Final answer
    x = 3,128.08

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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.