Home / 4,161.60-6,243.21-1,239.84

Finding the Fourth Proportional to 4,161.60, 6,243.21 and 1,239.84

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Solution

The fourth proportional to 4,161.60, 6,243.21 and 1,239.84 is: 1,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.60 : 6,243.21 = 1,239.84 : x
  2. Step 2: Convert to fraction form
    4,161.60/6,243.21 = 1,239.84/x
  3. Step 3: Cross multiply
    4,161.60x = 6,243.21 × 1,239.84
  4. Step 4: Simplify right side
    4,161.60x = 7,740,581.49
  5. Step 5: Solve for x
    x = 7,740,581.49/4,161.60
  6. Step 6: Final answer
    x = 1,860.00

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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.