Home / 5,620.12-8,432.60-3,020.02

Finding the Fourth Proportional to 5,620.12, 8,432.60 and 3,020.02

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Solution

The fourth proportional to 5,620.12, 8,432.60 and 3,020.02 is: 4,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.12 : 8,432.60 = 3,020.02 : x
  2. Step 2: Convert to fraction form
    5,620.12/8,432.60 = 3,020.02/x
  3. Step 3: Cross multiply
    5,620.12x = 8,432.60 × 3,020.02
  4. Step 4: Simplify right side
    5,620.12x = 25,466,563.39
  5. Step 5: Solve for x
    x = 25,466,563.39/5,620.12
  6. Step 6: Final answer
    x = 4,531.32

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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.