Home / 6,621.96-9,931.85-2,003.88

Finding the Fourth Proportional to 6,621.96, 9,931.85 and 2,003.88

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Solution

The fourth proportional to 6,621.96, 9,931.85 and 2,003.88 is: 3,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.96 : 9,931.85 = 2,003.88 : x
  2. Step 2: Convert to fraction form
    6,621.96/9,931.85 = 2,003.88/x
  3. Step 3: Cross multiply
    6,621.96x = 9,931.85 × 2,003.88
  4. Step 4: Simplify right side
    6,621.96x = 19,902,235.58
  5. Step 5: Solve for x
    x = 19,902,235.58/6,621.96
  6. Step 6: Final answer
    x = 3,005.49

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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.