Home / 4,172.77-6,259.79-1,539.87

Finding the Fourth Proportional to 4,172.77, 6,259.79 and 1,539.87

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Solution

The fourth proportional to 4,172.77, 6,259.79 and 1,539.87 is: 2,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.77 : 6,259.79 = 1,539.87 : x
  2. Step 2: Convert to fraction form
    4,172.77/6,259.79 = 1,539.87/x
  3. Step 3: Cross multiply
    4,172.77x = 6,259.79 × 1,539.87
  4. Step 4: Simplify right side
    4,172.77x = 9,639,262.83
  5. Step 5: Solve for x
    x = 9,639,262.83/4,172.77
  6. Step 6: Final answer
    x = 2,310.04

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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.