Home / 7,206.28-9,943.34-4,222.16

Finding the Fourth Proportional to 7,206.28, 9,943.34 and 4,222.16

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Solution

The fourth proportional to 7,206.28, 9,943.34 and 4,222.16 is: 5,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.28 : 9,943.34 = 4,222.16 : x
  2. Step 2: Convert to fraction form
    7,206.28/9,943.34 = 4,222.16/x
  3. Step 3: Cross multiply
    7,206.28x = 9,943.34 × 4,222.16
  4. Step 4: Simplify right side
    7,206.28x = 41,982,372.41
  5. Step 5: Solve for x
    x = 41,982,372.41/7,206.28
  6. Step 6: Final answer
    x = 5,825.80

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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.