Home / 6,744.40-10,111.20-2,845.60

Finding the Fourth Proportional to 6,744.40, 10,111.20 and 2,845.60

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Solution

The fourth proportional to 6,744.40, 10,111.20 and 2,845.60 is: 4,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.40 : 10,111.20 = 2,845.60 : x
  2. Step 2: Convert to fraction form
    6,744.40/10,111.20 = 2,845.60/x
  3. Step 3: Cross multiply
    6,744.40x = 10,111.20 × 2,845.60
  4. Step 4: Simplify right side
    6,744.40x = 28,772,430.72
  5. Step 5: Solve for x
    x = 28,772,430.72/6,744.40
  6. Step 6: Final answer
    x = 4,266.12

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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.