Home / 5,114.19-7,669.25-1,993.74

Finding the Fourth Proportional to 5,114.19, 7,669.25 and 1,993.74

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Solution

The fourth proportional to 5,114.19, 7,669.25 and 1,993.74 is: 2,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.19 : 7,669.25 = 1,993.74 : x
  2. Step 2: Convert to fraction form
    5,114.19/7,669.25 = 1,993.74/x
  3. Step 3: Cross multiply
    5,114.19x = 7,669.25 × 1,993.74
  4. Step 4: Simplify right side
    5,114.19x = 15,290,490.50
  5. Step 5: Solve for x
    x = 15,290,490.50/5,114.19
  6. Step 6: Final answer
    x = 2,989.82

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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.