Home / 7,321.96-10,107.30-5,087.08

Finding the Fourth Proportional to 7,321.96, 10,107.30 and 5,087.08

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Solution

The fourth proportional to 7,321.96, 10,107.30 and 5,087.08 is: 7,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.96 : 10,107.30 = 5,087.08 : x
  2. Step 2: Convert to fraction form
    7,321.96/10,107.30 = 5,087.08/x
  3. Step 3: Cross multiply
    7,321.96x = 10,107.30 × 5,087.08
  4. Step 4: Simplify right side
    7,321.96x = 51,416,643.68
  5. Step 5: Solve for x
    x = 51,416,643.68/7,321.96
  6. Step 6: Final answer
    x = 7,022.25

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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.