Home / 6,168.42-8,511.80-3,515.68

Finding the Fourth Proportional to 6,168.42, 8,511.80 and 3,515.68

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Solution

The fourth proportional to 6,168.42, 8,511.80 and 3,515.68 is: 4,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.42 : 8,511.80 = 3,515.68 : x
  2. Step 2: Convert to fraction form
    6,168.42/8,511.80 = 3,515.68/x
  3. Step 3: Cross multiply
    6,168.42x = 8,511.80 × 3,515.68
  4. Step 4: Simplify right side
    6,168.42x = 29,924,765.02
  5. Step 5: Solve for x
    x = 29,924,765.02/6,168.42
  6. Step 6: Final answer
    x = 4,851.29

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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.