Home / 4,239.57-6,359.37-1,161.57

Finding the Fourth Proportional to 4,239.57, 6,359.37 and 1,161.57

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Solution

The fourth proportional to 4,239.57, 6,359.37 and 1,161.57 is: 1,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.57 : 6,359.37 = 1,161.57 : x
  2. Step 2: Convert to fraction form
    4,239.57/6,359.37 = 1,161.57/x
  3. Step 3: Cross multiply
    4,239.57x = 6,359.37 × 1,161.57
  4. Step 4: Simplify right side
    4,239.57x = 7,386,853.41
  5. Step 5: Solve for x
    x = 7,386,853.41/4,239.57
  6. Step 6: Final answer
    x = 1,742.36

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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.