Home / 5,610.38-8,415.81-2,100.06

Finding the Fourth Proportional to 5,610.38, 8,415.81 and 2,100.06

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Solution

The fourth proportional to 5,610.38, 8,415.81 and 2,100.06 is: 3,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.38 : 8,415.81 = 2,100.06 : x
  2. Step 2: Convert to fraction form
    5,610.38/8,415.81 = 2,100.06/x
  3. Step 3: Cross multiply
    5,610.38x = 8,415.81 × 2,100.06
  4. Step 4: Simplify right side
    5,610.38x = 17,673,705.95
  5. Step 5: Solve for x
    x = 17,673,705.95/5,610.38
  6. Step 6: Final answer
    x = 3,150.18

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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.