Home / 5,113.44-7,669.08-1,993.32

Finding the Fourth Proportional to 5,113.44, 7,669.08 and 1,993.32

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Solution

The fourth proportional to 5,113.44, 7,669.08 and 1,993.32 is: 2,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.44 : 7,669.08 = 1,993.32 : x
  2. Step 2: Convert to fraction form
    5,113.44/7,669.08 = 1,993.32/x
  3. Step 3: Cross multiply
    5,113.44x = 7,669.08 × 1,993.32
  4. Step 4: Simplify right side
    5,113.44x = 15,286,930.55
  5. Step 5: Solve for x
    x = 15,286,930.55/5,113.44
  6. Step 6: Final answer
    x = 2,989.56

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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.