Home / 6,128.09-9,188.42-2,750.26

Finding the Fourth Proportional to 6,128.09, 9,188.42 and 2,750.26

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Solution

The fourth proportional to 6,128.09, 9,188.42 and 2,750.26 is: 4,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.09 : 9,188.42 = 2,750.26 : x
  2. Step 2: Convert to fraction form
    6,128.09/9,188.42 = 2,750.26/x
  3. Step 3: Cross multiply
    6,128.09x = 9,188.42 × 2,750.26
  4. Step 4: Simplify right side
    6,128.09x = 25,270,498.05
  5. Step 5: Solve for x
    x = 25,270,498.05/6,128.09
  6. Step 6: Final answer
    x = 4,123.72

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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.