Home / 8,164.28-11,264.81-4,760.75

Finding the Fourth Proportional to 8,164.28, 11,264.81 and 4,760.75

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Solution

The fourth proportional to 8,164.28, 11,264.81 and 4,760.75 is: 6,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.28 : 11,264.81 = 4,760.75 : x
  2. Step 2: Convert to fraction form
    8,164.28/11,264.81 = 4,760.75/x
  3. Step 3: Cross multiply
    8,164.28x = 11,264.81 × 4,760.75
  4. Step 4: Simplify right side
    8,164.28x = 53,628,864.08
  5. Step 5: Solve for x
    x = 53,628,864.08/8,164.28
  6. Step 6: Final answer
    x = 6,568.72

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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.