Home / 5,770.50-8,650.65-2,807.31

Finding the Fourth Proportional to 5,770.50, 8,650.65 and 2,807.31

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Solution

The fourth proportional to 5,770.50, 8,650.65 and 2,807.31 is: 4,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.50 : 8,650.65 = 2,807.31 : x
  2. Step 2: Convert to fraction form
    5,770.50/8,650.65 = 2,807.31/x
  3. Step 3: Cross multiply
    5,770.50x = 8,650.65 × 2,807.31
  4. Step 4: Simplify right side
    5,770.50x = 24,285,056.25
  5. Step 5: Solve for x
    x = 24,285,056.25/5,770.50
  6. Step 6: Final answer
    x = 4,208.48

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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.