Home / 4,285.50-6,425.82-1,783.80

Finding the Fourth Proportional to 4,285.50, 6,425.82 and 1,783.80

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Solution

The fourth proportional to 4,285.50, 6,425.82 and 1,783.80 is: 2,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.50 : 6,425.82 = 1,783.80 : x
  2. Step 2: Convert to fraction form
    4,285.50/6,425.82 = 1,783.80/x
  3. Step 3: Cross multiply
    4,285.50x = 6,425.82 × 1,783.80
  4. Step 4: Simplify right side
    4,285.50x = 11,462,377.72
  5. Step 5: Solve for x
    x = 11,462,377.72/4,285.50
  6. Step 6: Final answer
    x = 2,674.69

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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.