Home / 6,484.68-8,949.06-3,690.36

Finding the Fourth Proportional to 6,484.68, 8,949.06 and 3,690.36

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Solution

The fourth proportional to 6,484.68, 8,949.06 and 3,690.36 is: 5,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.68 : 8,949.06 = 3,690.36 : x
  2. Step 2: Convert to fraction form
    6,484.68/8,949.06 = 3,690.36/x
  3. Step 3: Cross multiply
    6,484.68x = 8,949.06 × 3,690.36
  4. Step 4: Simplify right side
    6,484.68x = 33,025,253.06
  5. Step 5: Solve for x
    x = 33,025,253.06/6,484.68
  6. Step 6: Final answer
    x = 5,092.81

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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.