Home / 6,119.85-8,445.06-3,467.20

Finding the Fourth Proportional to 6,119.85, 8,445.06 and 3,467.20

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Solution

The fourth proportional to 6,119.85, 8,445.06 and 3,467.20 is: 4,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.85 : 8,445.06 = 3,467.20 : x
  2. Step 2: Convert to fraction form
    6,119.85/8,445.06 = 3,467.20/x
  3. Step 3: Cross multiply
    6,119.85x = 8,445.06 × 3,467.20
  4. Step 4: Simplify right side
    6,119.85x = 29,280,652.47
  5. Step 5: Solve for x
    x = 29,280,652.47/6,119.85
  6. Step 6: Final answer
    x = 4,784.54

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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.