Home / 6,343.12-9,515.60-1,960.92

Finding the Fourth Proportional to 6,343.12, 9,515.60 and 1,960.92

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Solution

The fourth proportional to 6,343.12, 9,515.60 and 1,960.92 is: 2,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.12 : 9,515.60 = 1,960.92 : x
  2. Step 2: Convert to fraction form
    6,343.12/9,515.60 = 1,960.92/x
  3. Step 3: Cross multiply
    6,343.12x = 9,515.60 × 1,960.92
  4. Step 4: Simplify right side
    6,343.12x = 18,659,342.07
  5. Step 5: Solve for x
    x = 18,659,342.07/6,343.12
  6. Step 6: Final answer
    x = 2,941.66

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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.