Home / 5,784.12-8,677.80-2,086.20

Finding the Fourth Proportional to 5,784.12, 8,677.80 and 2,086.20

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Solution

The fourth proportional to 5,784.12, 8,677.80 and 2,086.20 is: 3,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.12 : 8,677.80 = 2,086.20 : x
  2. Step 2: Convert to fraction form
    5,784.12/8,677.80 = 2,086.20/x
  3. Step 3: Cross multiply
    5,784.12x = 8,677.80 × 2,086.20
  4. Step 4: Simplify right side
    5,784.12x = 18,103,626.36
  5. Step 5: Solve for x
    x = 18,103,626.36/5,784.12
  6. Step 6: Final answer
    x = 3,129.88

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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.