Home / 4,083.64-5,633.28-3,087.18

Finding the Fourth Proportional to 4,083.64, 5,633.28 and 3,087.18

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Solution

The fourth proportional to 4,083.64, 5,633.28 and 3,087.18 is: 4,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.64 : 5,633.28 = 3,087.18 : x
  2. Step 2: Convert to fraction form
    4,083.64/5,633.28 = 3,087.18/x
  3. Step 3: Cross multiply
    4,083.64x = 5,633.28 × 3,087.18
  4. Step 4: Simplify right side
    4,083.64x = 17,390,949.35
  5. Step 5: Solve for x
    x = 17,390,949.35/4,083.64
  6. Step 6: Final answer
    x = 4,258.69

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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.