Home / 5,717.10-7,880.19-3,828.03

Finding the Fourth Proportional to 5,717.10, 7,880.19 and 3,828.03

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Solution

The fourth proportional to 5,717.10, 7,880.19 and 3,828.03 is: 5,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.10 : 7,880.19 = 3,828.03 : x
  2. Step 2: Convert to fraction form
    5,717.10/7,880.19 = 3,828.03/x
  3. Step 3: Cross multiply
    5,717.10x = 7,880.19 × 3,828.03
  4. Step 4: Simplify right side
    5,717.10x = 30,165,603.73
  5. Step 5: Solve for x
    x = 30,165,603.73/5,717.10
  6. Step 6: Final answer
    x = 5,276.38

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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.