Home / 5,631.20-7,771.19-3,113.34

Finding the Fourth Proportional to 5,631.20, 7,771.19 and 3,113.34

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Solution

The fourth proportional to 5,631.20, 7,771.19 and 3,113.34 is: 4,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.20 : 7,771.19 = 3,113.34 : x
  2. Step 2: Convert to fraction form
    5,631.20/7,771.19 = 3,113.34/x
  3. Step 3: Cross multiply
    5,631.20x = 7,771.19 × 3,113.34
  4. Step 4: Simplify right side
    5,631.20x = 24,194,356.67
  5. Step 5: Solve for x
    x = 24,194,356.67/5,631.20
  6. Step 6: Final answer
    x = 4,296.49

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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.