Home / 6,931.45-10,393.77-3,969.43

Finding the Fourth Proportional to 6,931.45, 10,393.77 and 3,969.43

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Solution

The fourth proportional to 6,931.45, 10,393.77 and 3,969.43 is: 5,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.45 : 10,393.77 = 3,969.43 : x
  2. Step 2: Convert to fraction form
    6,931.45/10,393.77 = 3,969.43/x
  3. Step 3: Cross multiply
    6,931.45x = 10,393.77 × 3,969.43
  4. Step 4: Simplify right side
    6,931.45x = 41,257,342.45
  5. Step 5: Solve for x
    x = 41,257,342.45/6,931.45
  6. Step 6: Final answer
    x = 5,952.20

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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.