Home / 4,658.80-6,989.28-4,144.72

Finding the Fourth Proportional to 4,658.80, 6,989.28 and 4,144.72

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Solution

The fourth proportional to 4,658.80, 6,989.28 and 4,144.72 is: 6,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.80 : 6,989.28 = 4,144.72 : x
  2. Step 2: Convert to fraction form
    4,658.80/6,989.28 = 4,144.72/x
  3. Step 3: Cross multiply
    4,658.80x = 6,989.28 × 4,144.72
  4. Step 4: Simplify right side
    4,658.80x = 28,968,608.60
  5. Step 5: Solve for x
    x = 28,968,608.60/4,658.80
  6. Step 6: Final answer
    x = 6,218.04

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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.