Home / 9,220.50-12,724.38-5,028.84

Finding the Fourth Proportional to 9,220.50, 12,724.38 and 5,028.84

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Solution

The fourth proportional to 9,220.50, 12,724.38 and 5,028.84 is: 6,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.50 : 12,724.38 = 5,028.84 : x
  2. Step 2: Convert to fraction form
    9,220.50/12,724.38 = 5,028.84/x
  3. Step 3: Cross multiply
    9,220.50x = 12,724.38 × 5,028.84
  4. Step 4: Simplify right side
    9,220.50x = 63,988,871.12
  5. Step 5: Solve for x
    x = 63,988,871.12/9,220.50
  6. Step 6: Final answer
    x = 6,939.85

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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.