Home / 5,686.56-8,528.20-2,223.04

Finding the Fourth Proportional to 5,686.56, 8,528.20 and 2,223.04

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Solution

The fourth proportional to 5,686.56, 8,528.20 and 2,223.04 is: 3,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.56 : 8,528.20 = 2,223.04 : x
  2. Step 2: Convert to fraction form
    5,686.56/8,528.20 = 2,223.04/x
  3. Step 3: Cross multiply
    5,686.56x = 8,528.20 × 2,223.04
  4. Step 4: Simplify right side
    5,686.56x = 18,958,529.73
  5. Step 5: Solve for x
    x = 18,958,529.73/5,686.56
  6. Step 6: Final answer
    x = 3,333.92

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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.