Home / 4,469.20-6,704.76-1,870.80

Finding the Fourth Proportional to 4,469.20, 6,704.76 and 1,870.80

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Solution

The fourth proportional to 4,469.20, 6,704.76 and 1,870.80 is: 2,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.20 : 6,704.76 = 1,870.80 : x
  2. Step 2: Convert to fraction form
    4,469.20/6,704.76 = 1,870.80/x
  3. Step 3: Cross multiply
    4,469.20x = 6,704.76 × 1,870.80
  4. Step 4: Simplify right side
    4,469.20x = 12,543,265.01
  5. Step 5: Solve for x
    x = 12,543,265.01/4,469.20
  6. Step 6: Final answer
    x = 2,806.60

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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.