Home / 5,630.18-7,769.94-3,112.58

Finding the Fourth Proportional to 5,630.18, 7,769.94 and 3,112.58

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Solution

The fourth proportional to 5,630.18, 7,769.94 and 3,112.58 is: 4,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.18 : 7,769.94 = 3,112.58 : x
  2. Step 2: Convert to fraction form
    5,630.18/7,769.94 = 3,112.58/x
  3. Step 3: Cross multiply
    5,630.18x = 7,769.94 × 3,112.58
  4. Step 4: Simplify right side
    5,630.18x = 24,184,559.85
  5. Step 5: Solve for x
    x = 24,184,559.85/5,630.18
  6. Step 6: Final answer
    x = 4,295.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.