Home / 6,119.78-8,445.47-3,467.19

Finding the Fourth Proportional to 6,119.78, 8,445.47 and 3,467.19

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Solution

The fourth proportional to 6,119.78, 8,445.47 and 3,467.19 is: 4,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.78 : 8,445.47 = 3,467.19 : x
  2. Step 2: Convert to fraction form
    6,119.78/8,445.47 = 3,467.19/x
  3. Step 3: Cross multiply
    6,119.78x = 8,445.47 × 3,467.19
  4. Step 4: Simplify right side
    6,119.78x = 29,282,049.13
  5. Step 5: Solve for x
    x = 29,282,049.13/6,119.78
  6. Step 6: Final answer
    x = 4,784.82

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Half scale
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Double scale
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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.