Home / 5,297.63-7,940.39-2,520.36

Finding the Fourth Proportional to 5,297.63, 7,940.39 and 2,520.36

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Solution

The fourth proportional to 5,297.63, 7,940.39 and 2,520.36 is: 3,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.63 : 7,940.39 = 2,520.36 : x
  2. Step 2: Convert to fraction form
    5,297.63/7,940.39 = 2,520.36/x
  3. Step 3: Cross multiply
    5,297.63x = 7,940.39 × 2,520.36
  4. Step 4: Simplify right side
    5,297.63x = 20,012,628.74
  5. Step 5: Solve for x
    x = 20,012,628.74/5,297.63
  6. Step 6: Final answer
    x = 3,777.66

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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.