Home / 6,343.20-9,515.07-1,960.74

Finding the Fourth Proportional to 6,343.20, 9,515.07 and 1,960.74

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Solution

The fourth proportional to 6,343.20, 9,515.07 and 1,960.74 is: 2,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.20 : 9,515.07 = 1,960.74 : x
  2. Step 2: Convert to fraction form
    6,343.20/9,515.07 = 1,960.74/x
  3. Step 3: Cross multiply
    6,343.20x = 9,515.07 × 1,960.74
  4. Step 4: Simplify right side
    6,343.20x = 18,656,578.35
  5. Step 5: Solve for x
    x = 18,656,578.35/6,343.20
  6. Step 6: Final answer
    x = 2,941.19

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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.