Home / 6,963.85-10,423.90-5,198.32

Finding the Fourth Proportional to 6,963.85, 10,423.90 and 5,198.32

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Solution

The fourth proportional to 6,963.85, 10,423.90 and 5,198.32 is: 7,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.85 : 10,423.90 = 5,198.32 : x
  2. Step 2: Convert to fraction form
    6,963.85/10,423.90 = 5,198.32/x
  3. Step 3: Cross multiply
    6,963.85x = 10,423.90 × 5,198.32
  4. Step 4: Simplify right side
    6,963.85x = 54,186,767.85
  5. Step 5: Solve for x
    x = 54,186,767.85/6,963.85
  6. Step 6: Final answer
    x = 7,781.15

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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.