Home / 4,777.98-7,170.90-2,439.69

Finding the Fourth Proportional to 4,777.98, 7,170.90 and 2,439.69

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Solution

The fourth proportional to 4,777.98, 7,170.90 and 2,439.69 is: 3,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.98 : 7,170.90 = 2,439.69 : x
  2. Step 2: Convert to fraction form
    4,777.98/7,170.90 = 2,439.69/x
  3. Step 3: Cross multiply
    4,777.98x = 7,170.90 × 2,439.69
  4. Step 4: Simplify right side
    4,777.98x = 17,494,773.02
  5. Step 5: Solve for x
    x = 17,494,773.02/4,777.98
  6. Step 6: Final answer
    x = 3,661.54

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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.