Home / 5,820.78-8,032.54-3,168.25

Finding the Fourth Proportional to 5,820.78, 8,032.54 and 3,168.25

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Solution

The fourth proportional to 5,820.78, 8,032.54 and 3,168.25 is: 4,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.78 : 8,032.54 = 3,168.25 : x
  2. Step 2: Convert to fraction form
    5,820.78/8,032.54 = 3,168.25/x
  3. Step 3: Cross multiply
    5,820.78x = 8,032.54 × 3,168.25
  4. Step 4: Simplify right side
    5,820.78x = 25,449,094.86
  5. Step 5: Solve for x
    x = 25,449,094.86/5,820.78
  6. Step 6: Final answer
    x = 4,372.11

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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.