Home / 7,825.64-11,734.20-3,604.32

Finding the Fourth Proportional to 7,825.64, 11,734.20 and 3,604.32

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Solution

The fourth proportional to 7,825.64, 11,734.20 and 3,604.32 is: 5,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.64 : 11,734.20 = 3,604.32 : x
  2. Step 2: Convert to fraction form
    7,825.64/11,734.20 = 3,604.32/x
  3. Step 3: Cross multiply
    7,825.64x = 11,734.20 × 3,604.32
  4. Step 4: Simplify right side
    7,825.64x = 42,293,811.74
  5. Step 5: Solve for x
    x = 42,293,811.74/7,825.64
  6. Step 6: Final answer
    x = 5,404.52

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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.