Home / 6,891.40-10,334.64-2,994.88

Finding the Fourth Proportional to 6,891.40, 10,334.64 and 2,994.88

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Solution

The fourth proportional to 6,891.40, 10,334.64 and 2,994.88 is: 4,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.40 : 10,334.64 = 2,994.88 : x
  2. Step 2: Convert to fraction form
    6,891.40/10,334.64 = 2,994.88/x
  3. Step 3: Cross multiply
    6,891.40x = 10,334.64 × 2,994.88
  4. Step 4: Simplify right side
    6,891.40x = 30,951,006.64
  5. Step 5: Solve for x
    x = 30,951,006.64/6,891.40
  6. Step 6: Final answer
    x = 4,491.25

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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.