Home / 5,035.54-6,945.96-2,990.05

Finding the Fourth Proportional to 5,035.54, 6,945.96 and 2,990.05

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Solution

The fourth proportional to 5,035.54, 6,945.96 and 2,990.05 is: 4,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.54 : 6,945.96 = 2,990.05 : x
  2. Step 2: Convert to fraction form
    5,035.54/6,945.96 = 2,990.05/x
  3. Step 3: Cross multiply
    5,035.54x = 6,945.96 × 2,990.05
  4. Step 4: Simplify right side
    5,035.54x = 20,768,794.68
  5. Step 5: Solve for x
    x = 20,768,794.68/5,035.54
  6. Step 6: Final answer
    x = 4,124.44

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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.