Home / 6,221.09-8,581.32-3,701.52

Finding the Fourth Proportional to 6,221.09, 8,581.32 and 3,701.52

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Solution

The fourth proportional to 6,221.09, 8,581.32 and 3,701.52 is: 5,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.09 : 8,581.32 = 3,701.52 : x
  2. Step 2: Convert to fraction form
    6,221.09/8,581.32 = 3,701.52/x
  3. Step 3: Cross multiply
    6,221.09x = 8,581.32 × 3,701.52
  4. Step 4: Simplify right side
    6,221.09x = 31,763,927.61
  5. Step 5: Solve for x
    x = 31,763,927.61/6,221.09
  6. Step 6: Final answer
    x = 5,105.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.