Home / 5,222.66-7,206.92-2,864.34

Finding the Fourth Proportional to 5,222.66, 7,206.92 and 2,864.34

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Solution

The fourth proportional to 5,222.66, 7,206.92 and 2,864.34 is: 3,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.66 : 7,206.92 = 2,864.34 : x
  2. Step 2: Convert to fraction form
    5,222.66/7,206.92 = 2,864.34/x
  3. Step 3: Cross multiply
    5,222.66x = 7,206.92 × 2,864.34
  4. Step 4: Simplify right side
    5,222.66x = 20,643,069.23
  5. Step 5: Solve for x
    x = 20,643,069.23/5,222.66
  6. Step 6: Final answer
    x = 3,952.60

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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.