Home / 6,119.72-8,445.21-3,325.22

Finding the Fourth Proportional to 6,119.72, 8,445.21 and 3,325.22

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Solution

The fourth proportional to 6,119.72, 8,445.21 and 3,325.22 is: 4,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.72 : 8,445.21 = 3,325.22 : x
  2. Step 2: Convert to fraction form
    6,119.72/8,445.21 = 3,325.22/x
  3. Step 3: Cross multiply
    6,119.72x = 8,445.21 × 3,325.22
  4. Step 4: Simplify right side
    6,119.72x = 28,082,176.87
  5. Step 5: Solve for x
    x = 28,082,176.87/6,119.72
  6. Step 6: Final answer
    x = 4,588.80

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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.