Home / 6,935.78-10,403.74-2,005.46

Finding the Fourth Proportional to 6,935.78, 10,403.74 and 2,005.46

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Solution

The fourth proportional to 6,935.78, 10,403.74 and 2,005.46 is: 3,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.78 : 10,403.74 = 2,005.46 : x
  2. Step 2: Convert to fraction form
    6,935.78/10,403.74 = 2,005.46/x
  3. Step 3: Cross multiply
    6,935.78x = 10,403.74 × 2,005.46
  4. Step 4: Simplify right side
    6,935.78x = 20,864,293.43
  5. Step 5: Solve for x
    x = 20,864,293.43/6,935.78
  6. Step 6: Final answer
    x = 3,008.21

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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.