Home / 5,539.40-8,309.10-2,076.20

Finding the Fourth Proportional to 5,539.40, 8,309.10 and 2,076.20

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Solution

The fourth proportional to 5,539.40, 8,309.10 and 2,076.20 is: 3,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.40 : 8,309.10 = 2,076.20 : x
  2. Step 2: Convert to fraction form
    5,539.40/8,309.10 = 2,076.20/x
  3. Step 3: Cross multiply
    5,539.40x = 8,309.10 × 2,076.20
  4. Step 4: Simplify right side
    5,539.40x = 17,251,353.42
  5. Step 5: Solve for x
    x = 17,251,353.42/5,539.40
  6. Step 6: Final answer
    x = 3,114.30

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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.