Home / 4,158.96-6,238.44-1,239.44

Finding the Fourth Proportional to 4,158.96, 6,238.44 and 1,239.44

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Solution

The fourth proportional to 4,158.96, 6,238.44 and 1,239.44 is: 1,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.96 : 6,238.44 = 1,239.44 : x
  2. Step 2: Convert to fraction form
    4,158.96/6,238.44 = 1,239.44/x
  3. Step 3: Cross multiply
    4,158.96x = 6,238.44 × 1,239.44
  4. Step 4: Simplify right side
    4,158.96x = 7,732,172.07
  5. Step 5: Solve for x
    x = 7,732,172.07/4,158.96
  6. Step 6: Final answer
    x = 1,859.16

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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.