Home / 7,078.48-10,617.72-2,694.92

Finding the Fourth Proportional to 7,078.48, 10,617.72 and 2,694.92

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Solution

The fourth proportional to 7,078.48, 10,617.72 and 2,694.92 is: 4,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.48 : 10,617.72 = 2,694.92 : x
  2. Step 2: Convert to fraction form
    7,078.48/10,617.72 = 2,694.92/x
  3. Step 3: Cross multiply
    7,078.48x = 10,617.72 × 2,694.92
  4. Step 4: Simplify right side
    7,078.48x = 28,613,905.98
  5. Step 5: Solve for x
    x = 28,613,905.98/7,078.48
  6. Step 6: Final answer
    x = 4,042.38

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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.