Home / 6,840.80-10,262.24-2,945.12

Finding the Fourth Proportional to 6,840.80, 10,262.24 and 2,945.12

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Solution

The fourth proportional to 6,840.80, 10,262.24 and 2,945.12 is: 4,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.80 : 10,262.24 = 2,945.12 : x
  2. Step 2: Convert to fraction form
    6,840.80/10,262.24 = 2,945.12/x
  3. Step 3: Cross multiply
    6,840.80x = 10,262.24 × 2,945.12
  4. Step 4: Simplify right side
    6,840.80x = 30,223,528.27
  5. Step 5: Solve for x
    x = 30,223,528.27/6,840.80
  6. Step 6: Final answer
    x = 4,418.13

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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.