Home / 6,761.16-10,140.44-2,079.92

Finding the Fourth Proportional to 6,761.16, 10,140.44 and 2,079.92

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Solution

The fourth proportional to 6,761.16, 10,140.44 and 2,079.92 is: 3,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.16 : 10,140.44 = 2,079.92 : x
  2. Step 2: Convert to fraction form
    6,761.16/10,140.44 = 2,079.92/x
  3. Step 3: Cross multiply
    6,761.16x = 10,140.44 × 2,079.92
  4. Step 4: Simplify right side
    6,761.16x = 21,091,303.96
  5. Step 5: Solve for x
    x = 21,091,303.96/6,761.16
  6. Step 6: Final answer
    x = 3,119.48

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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.