Home / 4,090.12-6,135.18-1,781.08

Finding the Fourth Proportional to 4,090.12, 6,135.18 and 1,781.08

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Solution

The fourth proportional to 4,090.12, 6,135.18 and 1,781.08 is: 2,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.12 : 6,135.18 = 1,781.08 : x
  2. Step 2: Convert to fraction form
    4,090.12/6,135.18 = 1,781.08/x
  3. Step 3: Cross multiply
    4,090.12x = 6,135.18 × 1,781.08
  4. Step 4: Simplify right side
    4,090.12x = 10,927,246.39
  5. Step 5: Solve for x
    x = 10,927,246.39/4,090.12
  6. Step 6: Final answer
    x = 2,671.62

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Similar ratio
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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.