Home / 4,869.96-7,305.16-2,917.88

Finding the Fourth Proportional to 4,869.96, 7,305.16 and 2,917.88

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Solution

The fourth proportional to 4,869.96, 7,305.16 and 2,917.88 is: 4,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.96 : 7,305.16 = 2,917.88 : x
  2. Step 2: Convert to fraction form
    4,869.96/7,305.16 = 2,917.88/x
  3. Step 3: Cross multiply
    4,869.96x = 7,305.16 × 2,917.88
  4. Step 4: Simplify right side
    4,869.96x = 21,315,580.26
  5. Step 5: Solve for x
    x = 21,315,580.26/4,869.96
  6. Step 6: Final answer
    x = 4,376.95

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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.