Home / 4,142.27-6,213.20-1,545

Finding the Fourth Proportional to 4,142.27, 6,213.20 and 1,545

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Solution

The fourth proportional to 4,142.27, 6,213.20 and 1,545 is: 2,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.27 : 6,213.20 = 1,545 : x
  2. Step 2: Convert to fraction form
    4,142.27/6,213.20 = 1,545/x
  3. Step 3: Cross multiply
    4,142.27x = 6,213.20 × 1,545
  4. Step 4: Simplify right side
    4,142.27x = 9,599,386.28
  5. Step 5: Solve for x
    x = 9,599,386.28/4,142.27
  6. Step 6: Final answer
    x = 2,317.42

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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.