Home / 6,863.48-10,293.60-3,940.28

Finding the Fourth Proportional to 6,863.48, 10,293.60 and 3,940.28

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Solution

The fourth proportional to 6,863.48, 10,293.60 and 3,940.28 is: 5,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.48 : 10,293.60 = 3,940.28 : x
  2. Step 2: Convert to fraction form
    6,863.48/10,293.60 = 3,940.28/x
  3. Step 3: Cross multiply
    6,863.48x = 10,293.60 × 3,940.28
  4. Step 4: Simplify right side
    6,863.48x = 40,559,666.21
  5. Step 5: Solve for x
    x = 40,559,666.21/6,863.48
  6. Step 6: Final answer
    x = 5,909.49

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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.