Home / 5,628.30-8,446.05-3,288.30

Finding the Fourth Proportional to 5,628.30, 8,446.05 and 3,288.30

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Solution

The fourth proportional to 5,628.30, 8,446.05 and 3,288.30 is: 4,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.30 : 8,446.05 = 3,288.30 : x
  2. Step 2: Convert to fraction form
    5,628.30/8,446.05 = 3,288.30/x
  3. Step 3: Cross multiply
    5,628.30x = 8,446.05 × 3,288.30
  4. Step 4: Simplify right side
    5,628.30x = 27,773,146.22
  5. Step 5: Solve for x
    x = 27,773,146.22/5,628.30
  6. Step 6: Final answer
    x = 4,934.55

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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.