Home / 4,704.20-7,050.82-3,780.80

Finding the Fourth Proportional to 4,704.20, 7,050.82 and 3,780.80

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Solution

The fourth proportional to 4,704.20, 7,050.82 and 3,780.80 is: 5,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.20 : 7,050.82 = 3,780.80 : x
  2. Step 2: Convert to fraction form
    4,704.20/7,050.82 = 3,780.80/x
  3. Step 3: Cross multiply
    4,704.20x = 7,050.82 × 3,780.80
  4. Step 4: Simplify right side
    4,704.20x = 26,657,740.26
  5. Step 5: Solve for x
    x = 26,657,740.26/4,704.20
  6. Step 6: Final answer
    x = 5,666.80

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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.