Home / 6,495.42-8,961.57-3,974.90

Finding the Fourth Proportional to 6,495.42, 8,961.57 and 3,974.90

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Solution

The fourth proportional to 6,495.42, 8,961.57 and 3,974.90 is: 5,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.42 : 8,961.57 = 3,974.90 : x
  2. Step 2: Convert to fraction form
    6,495.42/8,961.57 = 3,974.90/x
  3. Step 3: Cross multiply
    6,495.42x = 8,961.57 × 3,974.90
  4. Step 4: Simplify right side
    6,495.42x = 35,621,324.72
  5. Step 5: Solve for x
    x = 35,621,324.72/6,495.42
  6. Step 6: Final answer
    x = 5,484.07

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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.