Home / 6,761.14-10,141.72-1,830.80

Finding the Fourth Proportional to 6,761.14, 10,141.72 and 1,830.80

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Solution

The fourth proportional to 6,761.14, 10,141.72 and 1,830.80 is: 2,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.14 : 10,141.72 = 1,830.80 : x
  2. Step 2: Convert to fraction form
    6,761.14/10,141.72 = 1,830.80/x
  3. Step 3: Cross multiply
    6,761.14x = 10,141.72 × 1,830.80
  4. Step 4: Simplify right side
    6,761.14x = 18,567,460.98
  5. Step 5: Solve for x
    x = 18,567,460.98/6,761.14
  6. Step 6: Final answer
    x = 2,746.20

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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.