Home / 5,424.86-7,486.32-2,940.86

Finding the Fourth Proportional to 5,424.86, 7,486.32 and 2,940.86

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Solution

The fourth proportional to 5,424.86, 7,486.32 and 2,940.86 is: 4,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.86 : 7,486.32 = 2,940.86 : x
  2. Step 2: Convert to fraction form
    5,424.86/7,486.32 = 2,940.86/x
  3. Step 3: Cross multiply
    5,424.86x = 7,486.32 × 2,940.86
  4. Step 4: Simplify right side
    5,424.86x = 22,016,219.04
  5. Step 5: Solve for x
    x = 22,016,219.04/5,424.86
  6. Step 6: Final answer
    x = 4,058.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.