Home / 6,761.20-10,131.35-5,276.91

Finding the Fourth Proportional to 6,761.20, 10,131.35 and 5,276.91

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Solution

The fourth proportional to 6,761.20, 10,131.35 and 5,276.91 is: 7,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.20 : 10,131.35 = 5,276.91 : x
  2. Step 2: Convert to fraction form
    6,761.20/10,131.35 = 5,276.91/x
  3. Step 3: Cross multiply
    6,761.20x = 10,131.35 × 5,276.91
  4. Step 4: Simplify right side
    6,761.20x = 53,462,145.09
  5. Step 5: Solve for x
    x = 53,462,145.09/6,761.20
  6. Step 6: Final answer
    x = 7,907.20

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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.