Home / 4,258.80-6,389.13-1,792.22

Finding the Fourth Proportional to 4,258.80, 6,389.13 and 1,792.22

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Solution

The fourth proportional to 4,258.80, 6,389.13 and 1,792.22 is: 2,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.80 : 6,389.13 = 1,792.22 : x
  2. Step 2: Convert to fraction form
    4,258.80/6,389.13 = 1,792.22/x
  3. Step 3: Cross multiply
    4,258.80x = 6,389.13 × 1,792.22
  4. Step 4: Simplify right side
    4,258.80x = 11,450,694.62
  5. Step 5: Solve for x
    x = 11,450,694.62/4,258.80
  6. Step 6: Final answer
    x = 2,688.71

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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.