Home / 4,917-7,377.18-1,994.76

Finding the Fourth Proportional to 4,917, 7,377.18 and 1,994.76

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Solution

The fourth proportional to 4,917, 7,377.18 and 1,994.76 is: 2,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917 : 7,377.18 = 1,994.76 : x
  2. Step 2: Convert to fraction form
    4,917/7,377.18 = 1,994.76/x
  3. Step 3: Cross multiply
    4,917x = 7,377.18 × 1,994.76
  4. Step 4: Simplify right side
    4,917x = 14,715,703.58
  5. Step 5: Solve for x
    x = 14,715,703.58/4,917
  6. Step 6: Final answer
    x = 2,992.82

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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.