Home / 4,239.64-6,381.61-3,837.16

Finding the Fourth Proportional to 4,239.64, 6,381.61 and 3,837.16

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Solution

The fourth proportional to 4,239.64, 6,381.61 and 3,837.16 is: 5,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.64 : 6,381.61 = 3,837.16 : x
  2. Step 2: Convert to fraction form
    4,239.64/6,381.61 = 3,837.16/x
  3. Step 3: Cross multiply
    4,239.64x = 6,381.61 × 3,837.16
  4. Step 4: Simplify right side
    4,239.64x = 24,487,258.63
  5. Step 5: Solve for x
    x = 24,487,258.63/4,239.64
  6. Step 6: Final answer
    x = 5,775.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.