Home / 6,616.92-9,126.90-3,962.64

Finding the Fourth Proportional to 6,616.92, 9,126.90 and 3,962.64

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Solution

The fourth proportional to 6,616.92, 9,126.90 and 3,962.64 is: 5,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.92 : 9,126.90 = 3,962.64 : x
  2. Step 2: Convert to fraction form
    6,616.92/9,126.90 = 3,962.64/x
  3. Step 3: Cross multiply
    6,616.92x = 9,126.90 × 3,962.64
  4. Step 4: Simplify right side
    6,616.92x = 36,166,619.02
  5. Step 5: Solve for x
    x = 36,166,619.02/6,616.92
  6. Step 6: Final answer
    x = 5,465.78

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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.