Home / 5,645.79-7,792.28-3,257.31

Finding the Fourth Proportional to 5,645.79, 7,792.28 and 3,257.31

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Solution

The fourth proportional to 5,645.79, 7,792.28 and 3,257.31 is: 4,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.79 : 7,792.28 = 3,257.31 : x
  2. Step 2: Convert to fraction form
    5,645.79/7,792.28 = 3,257.31/x
  3. Step 3: Cross multiply
    5,645.79x = 7,792.28 × 3,257.31
  4. Step 4: Simplify right side
    5,645.79x = 25,381,840.13
  5. Step 5: Solve for x
    x = 25,381,840.13/5,645.79
  6. Step 6: Final answer
    x = 4,495.71

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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.