Home / 4,317.82-6,476.73-1,720.78

Finding the Fourth Proportional to 4,317.82, 6,476.73 and 1,720.78

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Solution

The fourth proportional to 4,317.82, 6,476.73 and 1,720.78 is: 2,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.82 : 6,476.73 = 1,720.78 : x
  2. Step 2: Convert to fraction form
    4,317.82/6,476.73 = 1,720.78/x
  3. Step 3: Cross multiply
    4,317.82x = 6,476.73 × 1,720.78
  4. Step 4: Simplify right side
    4,317.82x = 11,145,027.45
  5. Step 5: Solve for x
    x = 11,145,027.45/4,317.82
  6. Step 6: Final answer
    x = 2,581.17

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Similar ratio
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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.