Home / 6,751.29-10,128.55-2,591.21

Finding the Fourth Proportional to 6,751.29, 10,128.55 and 2,591.21

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Solution

The fourth proportional to 6,751.29, 10,128.55 and 2,591.21 is: 3,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.29 : 10,128.55 = 2,591.21 : x
  2. Step 2: Convert to fraction form
    6,751.29/10,128.55 = 2,591.21/x
  3. Step 3: Cross multiply
    6,751.29x = 10,128.55 × 2,591.21
  4. Step 4: Simplify right side
    6,751.29x = 26,245,218.89
  5. Step 5: Solve for x
    x = 26,245,218.89/6,751.29
  6. Step 6: Final answer
    x = 3,887.44

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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.