Home / 6,940.36-9,580.85-4,425.90

Finding the Fourth Proportional to 6,940.36, 9,580.85 and 4,425.90

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Solution

The fourth proportional to 6,940.36, 9,580.85 and 4,425.90 is: 6,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.36 : 9,580.85 = 4,425.90 : x
  2. Step 2: Convert to fraction form
    6,940.36/9,580.85 = 4,425.90/x
  3. Step 3: Cross multiply
    6,940.36x = 9,580.85 × 4,425.90
  4. Step 4: Simplify right side
    6,940.36x = 42,403,884.02
  5. Step 5: Solve for x
    x = 42,403,884.02/6,940.36
  6. Step 6: Final answer
    x = 6,109.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.