Home / 5,781.36-8,659.44-2,999.64

Finding the Fourth Proportional to 5,781.36, 8,659.44 and 2,999.64

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Solution

The fourth proportional to 5,781.36, 8,659.44 and 2,999.64 is: 4,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.36 : 8,659.44 = 2,999.64 : x
  2. Step 2: Convert to fraction form
    5,781.36/8,659.44 = 2,999.64/x
  3. Step 3: Cross multiply
    5,781.36x = 8,659.44 × 2,999.64
  4. Step 4: Simplify right side
    5,781.36x = 25,975,202.60
  5. Step 5: Solve for x
    x = 25,975,202.60/5,781.36
  6. Step 6: Final answer
    x = 4,492.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.