Home / 4,095.72-6,145.11-2,125.62

Finding the Fourth Proportional to 4,095.72, 6,145.11 and 2,125.62

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Solution

The fourth proportional to 4,095.72, 6,145.11 and 2,125.62 is: 3,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.72 : 6,145.11 = 2,125.62 : x
  2. Step 2: Convert to fraction form
    4,095.72/6,145.11 = 2,125.62/x
  3. Step 3: Cross multiply
    4,095.72x = 6,145.11 × 2,125.62
  4. Step 4: Simplify right side
    4,095.72x = 13,062,168.72
  5. Step 5: Solve for x
    x = 13,062,168.72/4,095.72
  6. Step 6: Final answer
    x = 3,189.22

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.