Home / 4,066.76-5,612.22-2,388.24

Finding the Fourth Proportional to 4,066.76, 5,612.22 and 2,388.24

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Solution

The fourth proportional to 4,066.76, 5,612.22 and 2,388.24 is: 3,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,066.76 : 5,612.22 = 2,388.24 : x
  2. Step 2: Convert to fraction form
    4,066.76/5,612.22 = 2,388.24/x
  3. Step 3: Cross multiply
    4,066.76x = 5,612.22 × 2,388.24
  4. Step 4: Simplify right side
    4,066.76x = 13,403,328.29
  5. Step 5: Solve for x
    x = 13,403,328.29/4,066.76
  6. Step 6: Final answer
    x = 3,295.82

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Half scale
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Double scale
Find fourth proportional to 4,067.76, 5,613.60 and 2,389.24
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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.