Home / 6,002.20-9,003.30-1,620.10

Finding the Fourth Proportional to 6,002.20, 9,003.30 and 1,620.10

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Solution

The fourth proportional to 6,002.20, 9,003.30 and 1,620.10 is: 2,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,002.20 : 9,003.30 = 1,620.10 : x
  2. Step 2: Convert to fraction form
    6,002.20/9,003.30 = 1,620.10/x
  3. Step 3: Cross multiply
    6,002.20x = 9,003.30 × 1,620.10
  4. Step 4: Simplify right side
    6,002.20x = 14,586,246.33
  5. Step 5: Solve for x
    x = 14,586,246.33/6,002.20
  6. Step 6: Final answer
    x = 2,430.15

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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.