Home / 5,179.22-7,762.36-4,079.24

Finding the Fourth Proportional to 5,179.22, 7,762.36 and 4,079.24

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Solution

The fourth proportional to 5,179.22, 7,762.36 and 4,079.24 is: 6,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.22 : 7,762.36 = 4,079.24 : x
  2. Step 2: Convert to fraction form
    5,179.22/7,762.36 = 4,079.24/x
  3. Step 3: Cross multiply
    5,179.22x = 7,762.36 × 4,079.24
  4. Step 4: Simplify right side
    5,179.22x = 31,664,529.41
  5. Step 5: Solve for x
    x = 31,664,529.41/5,179.22
  6. Step 6: Final answer
    x = 6,113.76

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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.