Home / 6,623.06-9,919.56-5,484.20

Finding the Fourth Proportional to 6,623.06, 9,919.56 and 5,484.20

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Solution

The fourth proportional to 6,623.06, 9,919.56 and 5,484.20 is: 8,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.06 : 9,919.56 = 5,484.20 : x
  2. Step 2: Convert to fraction form
    6,623.06/9,919.56 = 5,484.20/x
  3. Step 3: Cross multiply
    6,623.06x = 9,919.56 × 5,484.20
  4. Step 4: Simplify right side
    6,623.06x = 54,400,850.95
  5. Step 5: Solve for x
    x = 54,400,850.95/6,623.06
  6. Step 6: Final answer
    x = 8,213.85

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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.