Home / 5,630.83-7,770.77-3,112.94

Finding the Fourth Proportional to 5,630.83, 7,770.77 and 3,112.94

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Solution

The fourth proportional to 5,630.83, 7,770.77 and 3,112.94 is: 4,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.83 : 7,770.77 = 3,112.94 : x
  2. Step 2: Convert to fraction form
    5,630.83/7,770.77 = 3,112.94/x
  3. Step 3: Cross multiply
    5,630.83x = 7,770.77 × 3,112.94
  4. Step 4: Simplify right side
    5,630.83x = 24,189,956.30
  5. Step 5: Solve for x
    x = 24,189,956.30/5,630.83
  6. Step 6: Final answer
    x = 4,295.99

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1.5x scale

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.