Home / 7,078.43-10,617.64-1,884.31

Finding the Fourth Proportional to 7,078.43, 10,617.64 and 1,884.31

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Solution

The fourth proportional to 7,078.43, 10,617.64 and 1,884.31 is: 2,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.43 : 10,617.64 = 1,884.31 : x
  2. Step 2: Convert to fraction form
    7,078.43/10,617.64 = 1,884.31/x
  3. Step 3: Cross multiply
    7,078.43x = 10,617.64 × 1,884.31
  4. Step 4: Simplify right side
    7,078.43x = 20,006,893.97
  5. Step 5: Solve for x
    x = 20,006,893.97/7,078.43
  6. Step 6: Final answer
    x = 2,826.46

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Double scale
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Similar ratio
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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.