Home / 5,388.18-7,435.19-2,998.05

Finding the Fourth Proportional to 5,388.18, 7,435.19 and 2,998.05

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Solution

The fourth proportional to 5,388.18, 7,435.19 and 2,998.05 is: 4,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.18 : 7,435.19 = 2,998.05 : x
  2. Step 2: Convert to fraction form
    5,388.18/7,435.19 = 2,998.05/x
  3. Step 3: Cross multiply
    5,388.18x = 7,435.19 × 2,998.05
  4. Step 4: Simplify right side
    5,388.18x = 22,291,056.39
  5. Step 5: Solve for x
    x = 22,291,056.39/5,388.18
  6. Step 6: Final answer
    x = 4,137.03

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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.