Home / 5,232.28-7,220.56-2,842.21

Finding the Fourth Proportional to 5,232.28, 7,220.56 and 2,842.21

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Solution

The fourth proportional to 5,232.28, 7,220.56 and 2,842.21 is: 3,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.28 : 7,220.56 = 2,842.21 : x
  2. Step 2: Convert to fraction form
    5,232.28/7,220.56 = 2,842.21/x
  3. Step 3: Cross multiply
    5,232.28x = 7,220.56 × 2,842.21
  4. Step 4: Simplify right side
    5,232.28x = 20,522,347.84
  5. Step 5: Solve for x
    x = 20,522,347.84/5,232.28
  6. Step 6: Final answer
    x = 3,922.26

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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.