Home / 4,777.80-7,168.72-2,314.45

Finding the Fourth Proportional to 4,777.80, 7,168.72 and 2,314.45

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Solution

The fourth proportional to 4,777.80, 7,168.72 and 2,314.45 is: 3,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.80 : 7,168.72 = 2,314.45 : x
  2. Step 2: Convert to fraction form
    4,777.80/7,168.72 = 2,314.45/x
  3. Step 3: Cross multiply
    4,777.80x = 7,168.72 × 2,314.45
  4. Step 4: Simplify right side
    4,777.80x = 16,591,644.00
  5. Step 5: Solve for x
    x = 16,591,644.00/4,777.80
  6. Step 6: Final answer
    x = 3,472.65

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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.