Home / 5,828.76-8,731.80-5,174.28

Finding the Fourth Proportional to 5,828.76, 8,731.80 and 5,174.28

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Solution

The fourth proportional to 5,828.76, 8,731.80 and 5,174.28 is: 7,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.76 : 8,731.80 = 5,174.28 : x
  2. Step 2: Convert to fraction form
    5,828.76/8,731.80 = 5,174.28/x
  3. Step 3: Cross multiply
    5,828.76x = 8,731.80 × 5,174.28
  4. Step 4: Simplify right side
    5,828.76x = 45,180,778.10
  5. Step 5: Solve for x
    x = 45,180,778.10/5,828.76
  6. Step 6: Final answer
    x = 7,751.35

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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.