Home / 5,220.10-7,202.28-3,232.36

Finding the Fourth Proportional to 5,220.10, 7,202.28 and 3,232.36

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Solution

The fourth proportional to 5,220.10, 7,202.28 and 3,232.36 is: 4,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.10 : 7,202.28 = 3,232.36 : x
  2. Step 2: Convert to fraction form
    5,220.10/7,202.28 = 3,232.36/x
  3. Step 3: Cross multiply
    5,220.10x = 7,202.28 × 3,232.36
  4. Step 4: Simplify right side
    5,220.10x = 23,280,361.78
  5. Step 5: Solve for x
    x = 23,280,361.78/5,220.10
  6. Step 6: Final answer
    x = 4,459.75

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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.