Home / 6,621.80-9,930.30-2,003.24

Finding the Fourth Proportional to 6,621.80, 9,930.30 and 2,003.24

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Solution

The fourth proportional to 6,621.80, 9,930.30 and 2,003.24 is: 3,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.80 : 9,930.30 = 2,003.24 : x
  2. Step 2: Convert to fraction form
    6,621.80/9,930.30 = 2,003.24/x
  3. Step 3: Cross multiply
    6,621.80x = 9,930.30 × 2,003.24
  4. Step 4: Simplify right side
    6,621.80x = 19,892,774.17
  5. Step 5: Solve for x
    x = 19,892,774.17/6,621.80
  6. Step 6: Final answer
    x = 3,004.13

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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.