Home / 6,761.57-10,139.59-2,810.12

Finding the Fourth Proportional to 6,761.57, 10,139.59 and 2,810.12

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Solution

The fourth proportional to 6,761.57, 10,139.59 and 2,810.12 is: 4,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.57 : 10,139.59 = 2,810.12 : x
  2. Step 2: Convert to fraction form
    6,761.57/10,139.59 = 2,810.12/x
  3. Step 3: Cross multiply
    6,761.57x = 10,139.59 × 2,810.12
  4. Step 4: Simplify right side
    6,761.57x = 28,493,450.60
  5. Step 5: Solve for x
    x = 28,493,450.60/6,761.57
  6. Step 6: Final answer
    x = 4,214.03

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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.