Home / 5,611.80-7,744.25-3,255.30

Finding the Fourth Proportional to 5,611.80, 7,744.25 and 3,255.30

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Solution

The fourth proportional to 5,611.80, 7,744.25 and 3,255.30 is: 4,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.80 : 7,744.25 = 3,255.30 : x
  2. Step 2: Convert to fraction form
    5,611.80/7,744.25 = 3,255.30/x
  3. Step 3: Cross multiply
    5,611.80x = 7,744.25 × 3,255.30
  4. Step 4: Simplify right side
    5,611.80x = 25,209,840.75
  5. Step 5: Solve for x
    x = 25,209,840.75/5,611.80
  6. Step 6: Final answer
    x = 4,492.29

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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.