Home / 7,617.96-11,428.65-2,687.64

Finding the Fourth Proportional to 7,617.96, 11,428.65 and 2,687.64

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Solution

The fourth proportional to 7,617.96, 11,428.65 and 2,687.64 is: 4,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.96 : 11,428.65 = 2,687.64 : x
  2. Step 2: Convert to fraction form
    7,617.96/11,428.65 = 2,687.64/x
  3. Step 3: Cross multiply
    7,617.96x = 11,428.65 × 2,687.64
  4. Step 4: Simplify right side
    7,617.96x = 30,716,026.30
  5. Step 5: Solve for x
    x = 30,716,026.30/7,617.96
  6. Step 6: Final answer
    x = 4,032.06

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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.