Home / 7,424.72-11,137.43-4,135.34

Finding the Fourth Proportional to 7,424.72, 11,137.43 and 4,135.34

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Solution

The fourth proportional to 7,424.72, 11,137.43 and 4,135.34 is: 6,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.72 : 11,137.43 = 4,135.34 : x
  2. Step 2: Convert to fraction form
    7,424.72/11,137.43 = 4,135.34/x
  3. Step 3: Cross multiply
    7,424.72x = 11,137.43 × 4,135.34
  4. Step 4: Simplify right side
    7,424.72x = 46,056,983.41
  5. Step 5: Solve for x
    x = 46,056,983.41/7,424.72
  6. Step 6: Final answer
    x = 6,203.20

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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.