Home / 6,620.13-9,133.11-4,100.54

Finding the Fourth Proportional to 6,620.13, 9,133.11 and 4,100.54

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Solution

The fourth proportional to 6,620.13, 9,133.11 and 4,100.54 is: 5,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.13 : 9,133.11 = 4,100.54 : x
  2. Step 2: Convert to fraction form
    6,620.13/9,133.11 = 4,100.54/x
  3. Step 3: Cross multiply
    6,620.13x = 9,133.11 × 4,100.54
  4. Step 4: Simplify right side
    6,620.13x = 37,450,637.21
  5. Step 5: Solve for x
    x = 37,450,637.21/6,620.13
  6. Step 6: Final answer
    x = 5,657.08

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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.