Home / 7,851.24-11,777.36-3,468.68

Finding the Fourth Proportional to 7,851.24, 11,777.36 and 3,468.68

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Solution

The fourth proportional to 7,851.24, 11,777.36 and 3,468.68 is: 5,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.24 : 11,777.36 = 3,468.68 : x
  2. Step 2: Convert to fraction form
    7,851.24/11,777.36 = 3,468.68/x
  3. Step 3: Cross multiply
    7,851.24x = 11,777.36 × 3,468.68
  4. Step 4: Simplify right side
    7,851.24x = 40,851,816.85
  5. Step 5: Solve for x
    x = 40,851,816.85/7,851.24
  6. Step 6: Final answer
    x = 5,203.23

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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.