Home / 7,621.68-11,432.97-2,941.72

Finding the Fourth Proportional to 7,621.68, 11,432.97 and 2,941.72

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Solution

The fourth proportional to 7,621.68, 11,432.97 and 2,941.72 is: 4,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.68 : 11,432.97 = 2,941.72 : x
  2. Step 2: Convert to fraction form
    7,621.68/11,432.97 = 2,941.72/x
  3. Step 3: Cross multiply
    7,621.68x = 11,432.97 × 2,941.72
  4. Step 4: Simplify right side
    7,621.68x = 33,632,567.93
  5. Step 5: Solve for x
    x = 33,632,567.93/7,621.68
  6. Step 6: Final answer
    x = 4,412.75

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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.