Home / 7,884.25-11,825.16-2,621.56

Finding the Fourth Proportional to 7,884.25, 11,825.16 and 2,621.56

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Solution

The fourth proportional to 7,884.25, 11,825.16 and 2,621.56 is: 3,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.25 : 11,825.16 = 2,621.56 : x
  2. Step 2: Convert to fraction form
    7,884.25/11,825.16 = 2,621.56/x
  3. Step 3: Cross multiply
    7,884.25x = 11,825.16 × 2,621.56
  4. Step 4: Simplify right side
    7,884.25x = 31,000,366.45
  5. Step 5: Solve for x
    x = 31,000,366.45/7,884.25
  6. Step 6: Final answer
    x = 3,931.94

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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.