Home / 7,261.45-10,893.78-2,581.74

Finding the Fourth Proportional to 7,261.45, 10,893.78 and 2,581.74

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Solution

The fourth proportional to 7,261.45, 10,893.78 and 2,581.74 is: 3,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.45 : 10,893.78 = 2,581.74 : x
  2. Step 2: Convert to fraction form
    7,261.45/10,893.78 = 2,581.74/x
  3. Step 3: Cross multiply
    7,261.45x = 10,893.78 × 2,581.74
  4. Step 4: Simplify right side
    7,261.45x = 28,124,907.58
  5. Step 5: Solve for x
    x = 28,124,907.58/7,261.45
  6. Step 6: Final answer
    x = 3,873.18

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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.