Home / 4,920.39-7,381.80-4,052.88

Finding the Fourth Proportional to 4,920.39, 7,381.80 and 4,052.88

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Solution

The fourth proportional to 4,920.39, 7,381.80 and 4,052.88 is: 6,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.39 : 7,381.80 = 4,052.88 : x
  2. Step 2: Convert to fraction form
    4,920.39/7,381.80 = 4,052.88/x
  3. Step 3: Cross multiply
    4,920.39x = 7,381.80 × 4,052.88
  4. Step 4: Simplify right side
    4,920.39x = 29,917,549.58
  5. Step 5: Solve for x
    x = 29,917,549.58/4,920.39
  6. Step 6: Final answer
    x = 6,080.32

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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.