Home / 4,158.78-6,238.09-1,237.11

Finding the Fourth Proportional to 4,158.78, 6,238.09 and 1,237.11

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Solution

The fourth proportional to 4,158.78, 6,238.09 and 1,237.11 is: 1,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.78 : 6,238.09 = 1,237.11 : x
  2. Step 2: Convert to fraction form
    4,158.78/6,238.09 = 1,237.11/x
  3. Step 3: Cross multiply
    4,158.78x = 6,238.09 × 1,237.11
  4. Step 4: Simplify right side
    4,158.78x = 7,717,203.52
  5. Step 5: Solve for x
    x = 7,717,203.52/4,158.78
  6. Step 6: Final answer
    x = 1,855.64

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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.