Home / 6,645.16-9,170.32-3,660.99

Finding the Fourth Proportional to 6,645.16, 9,170.32 and 3,660.99

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Solution

The fourth proportional to 6,645.16, 9,170.32 and 3,660.99 is: 5,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.16 : 9,170.32 = 3,660.99 : x
  2. Step 2: Convert to fraction form
    6,645.16/9,170.32 = 3,660.99/x
  3. Step 3: Cross multiply
    6,645.16x = 9,170.32 × 3,660.99
  4. Step 4: Simplify right side
    6,645.16x = 33,572,449.82
  5. Step 5: Solve for x
    x = 33,572,449.82/6,645.16
  6. Step 6: Final answer
    x = 5,052.17

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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.