Home / 6,940.61-9,578.29-3,955.96

Finding the Fourth Proportional to 6,940.61, 9,578.29 and 3,955.96

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Solution

The fourth proportional to 6,940.61, 9,578.29 and 3,955.96 is: 5,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.61 : 9,578.29 = 3,955.96 : x
  2. Step 2: Convert to fraction form
    6,940.61/9,578.29 = 3,955.96/x
  3. Step 3: Cross multiply
    6,940.61x = 9,578.29 × 3,955.96
  4. Step 4: Simplify right side
    6,940.61x = 37,891,332.11
  5. Step 5: Solve for x
    x = 37,891,332.11/6,940.61
  6. Step 6: Final answer
    x = 5,459.37

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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.