Home / 4,158.72-6,238.08-1,236.78

Finding the Fourth Proportional to 4,158.72, 6,238.08 and 1,236.78

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Solution

The fourth proportional to 4,158.72, 6,238.08 and 1,236.78 is: 1,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.72 : 6,238.08 = 1,236.78 : x
  2. Step 2: Convert to fraction form
    4,158.72/6,238.08 = 1,236.78/x
  3. Step 3: Cross multiply
    4,158.72x = 6,238.08 × 1,236.78
  4. Step 4: Simplify right side
    4,158.72x = 7,715,132.58
  5. Step 5: Solve for x
    x = 7,715,132.58/4,158.72
  6. Step 6: Final answer
    x = 1,855.17

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1.5x scale

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.