Home / 5,222.27-7,206.78-2,864.36

Finding the Fourth Proportional to 5,222.27, 7,206.78 and 2,864.36

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Solution

The fourth proportional to 5,222.27, 7,206.78 and 2,864.36 is: 3,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.27 : 7,206.78 = 2,864.36 : x
  2. Step 2: Convert to fraction form
    5,222.27/7,206.78 = 2,864.36/x
  3. Step 3: Cross multiply
    5,222.27x = 7,206.78 × 2,864.36
  4. Step 4: Simplify right side
    5,222.27x = 20,642,787.07
  5. Step 5: Solve for x
    x = 20,642,787.07/5,222.27
  6. Step 6: Final answer
    x = 3,952.84

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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.