Home / 4,876.82-7,315.22-1,957.18

Finding the Fourth Proportional to 4,876.82, 7,315.22 and 1,957.18

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Solution

The fourth proportional to 4,876.82, 7,315.22 and 1,957.18 is: 2,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.82 : 7,315.22 = 1,957.18 : x
  2. Step 2: Convert to fraction form
    4,876.82/7,315.22 = 1,957.18/x
  3. Step 3: Cross multiply
    4,876.82x = 7,315.22 × 1,957.18
  4. Step 4: Simplify right side
    4,876.82x = 14,317,155.92
  5. Step 5: Solve for x
    x = 14,317,155.92/4,876.82
  6. Step 6: Final answer
    x = 2,935.76

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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.