Home / 8,268.28-11,412.39-5,127.10

Finding the Fourth Proportional to 8,268.28, 11,412.39 and 5,127.10

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Solution

The fourth proportional to 8,268.28, 11,412.39 and 5,127.10 is: 7,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.28 : 11,412.39 = 5,127.10 : x
  2. Step 2: Convert to fraction form
    8,268.28/11,412.39 = 5,127.10/x
  3. Step 3: Cross multiply
    8,268.28x = 11,412.39 × 5,127.10
  4. Step 4: Simplify right side
    8,268.28x = 58,512,455.46
  5. Step 5: Solve for x
    x = 58,512,455.46/8,268.28
  6. Step 6: Final answer
    x = 7,076.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.