Home / 4,878.57-7,318.16-1,956.50

Finding the Fourth Proportional to 4,878.57, 7,318.16 and 1,956.50

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Solution

The fourth proportional to 4,878.57, 7,318.16 and 1,956.50 is: 2,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.57 : 7,318.16 = 1,956.50 : x
  2. Step 2: Convert to fraction form
    4,878.57/7,318.16 = 1,956.50/x
  3. Step 3: Cross multiply
    4,878.57x = 7,318.16 × 1,956.50
  4. Step 4: Simplify right side
    4,878.57x = 14,317,933.67
  5. Step 5: Solve for x
    x = 14,317,933.67/4,878.57
  6. Step 6: Final answer
    x = 2,934.86

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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.