Home / 4,869.87-7,305.72-1,583.90

Finding the Fourth Proportional to 4,869.87, 7,305.72 and 1,583.90

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Solution

The fourth proportional to 4,869.87, 7,305.72 and 1,583.90 is: 2,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.87 : 7,305.72 = 1,583.90 : x
  2. Step 2: Convert to fraction form
    4,869.87/7,305.72 = 1,583.90/x
  3. Step 3: Cross multiply
    4,869.87x = 7,305.72 × 1,583.90
  4. Step 4: Simplify right side
    4,869.87x = 11,571,514.84
  5. Step 5: Solve for x
    x = 11,571,514.84/4,869.87
  6. Step 6: Final answer
    x = 2,376.15

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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.