Home / 6,128.29-9,188.72-2,750.46

Finding the Fourth Proportional to 6,128.29, 9,188.72 and 2,750.46

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Solution

The fourth proportional to 6,128.29, 9,188.72 and 2,750.46 is: 4,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.29 : 9,188.72 = 2,750.46 : x
  2. Step 2: Convert to fraction form
    6,128.29/9,188.72 = 2,750.46/x
  3. Step 3: Cross multiply
    6,128.29x = 9,188.72 × 2,750.46
  4. Step 4: Simplify right side
    6,128.29x = 25,273,193.06
  5. Step 5: Solve for x
    x = 25,273,193.06/6,128.29
  6. Step 6: Final answer
    x = 4,124.02

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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.