Home / 4,159.14-6,238.96-1,237.20

Finding the Fourth Proportional to 4,159.14, 6,238.96 and 1,237.20

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Solution

The fourth proportional to 4,159.14, 6,238.96 and 1,237.20 is: 1,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.14 : 6,238.96 = 1,237.20 : x
  2. Step 2: Convert to fraction form
    4,159.14/6,238.96 = 1,237.20/x
  3. Step 3: Cross multiply
    4,159.14x = 6,238.96 × 1,237.20
  4. Step 4: Simplify right side
    4,159.14x = 7,718,841.31
  5. Step 5: Solve for x
    x = 7,718,841.31/4,159.14
  6. Step 6: Final answer
    x = 1,855.87

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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.