Home / 6,663.08-9,996.62-3,155.76

Finding the Fourth Proportional to 6,663.08, 9,996.62 and 3,155.76

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Solution

The fourth proportional to 6,663.08, 9,996.62 and 3,155.76 is: 4,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.08 : 9,996.62 = 3,155.76 : x
  2. Step 2: Convert to fraction form
    6,663.08/9,996.62 = 3,155.76/x
  3. Step 3: Cross multiply
    6,663.08x = 9,996.62 × 3,155.76
  4. Step 4: Simplify right side
    6,663.08x = 31,546,933.53
  5. Step 5: Solve for x
    x = 31,546,933.53/6,663.08
  6. Step 6: Final answer
    x = 4,734.59

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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.