Home / 5,522.25-7,621.04-3,132.32

Finding the Fourth Proportional to 5,522.25, 7,621.04 and 3,132.32

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Solution

The fourth proportional to 5,522.25, 7,621.04 and 3,132.32 is: 4,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.25 : 7,621.04 = 3,132.32 : x
  2. Step 2: Convert to fraction form
    5,522.25/7,621.04 = 3,132.32/x
  3. Step 3: Cross multiply
    5,522.25x = 7,621.04 × 3,132.32
  4. Step 4: Simplify right side
    5,522.25x = 23,871,482.25
  5. Step 5: Solve for x
    x = 23,871,482.25/5,522.25
  6. Step 6: Final answer
    x = 4,322.78

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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.