Home / 7,423.26-11,137.05-4,142.22

Finding the Fourth Proportional to 7,423.26, 11,137.05 and 4,142.22

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Solution

The fourth proportional to 7,423.26, 11,137.05 and 4,142.22 is: 6,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.26 : 11,137.05 = 4,142.22 : x
  2. Step 2: Convert to fraction form
    7,423.26/11,137.05 = 4,142.22/x
  3. Step 3: Cross multiply
    7,423.26x = 11,137.05 × 4,142.22
  4. Step 4: Simplify right side
    7,423.26x = 46,132,111.25
  5. Step 5: Solve for x
    x = 46,132,111.25/7,423.26
  6. Step 6: Final answer
    x = 6,214.54

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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.