Home / 7,617.14-11,416.56-3,921.10

Finding the Fourth Proportional to 7,617.14, 11,416.56 and 3,921.10

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Solution

The fourth proportional to 7,617.14, 11,416.56 and 3,921.10 is: 5,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.14 : 11,416.56 = 3,921.10 : x
  2. Step 2: Convert to fraction form
    7,617.14/11,416.56 = 3,921.10/x
  3. Step 3: Cross multiply
    7,617.14x = 11,416.56 × 3,921.10
  4. Step 4: Simplify right side
    7,617.14x = 44,765,473.42
  5. Step 5: Solve for x
    x = 44,765,473.42/7,617.14
  6. Step 6: Final answer
    x = 5,876.94

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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.