Home / 6,761.35-10,128.25-5,516.38

Finding the Fourth Proportional to 6,761.35, 10,128.25 and 5,516.38

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Solution

The fourth proportional to 6,761.35, 10,128.25 and 5,516.38 is: 8,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.35 : 10,128.25 = 5,516.38 : x
  2. Step 2: Convert to fraction form
    6,761.35/10,128.25 = 5,516.38/x
  3. Step 3: Cross multiply
    6,761.35x = 10,128.25 × 5,516.38
  4. Step 4: Simplify right side
    6,761.35x = 55,871,197.51
  5. Step 5: Solve for x
    x = 55,871,197.51/6,761.35
  6. Step 6: Final answer
    x = 8,263.33

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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.