Home / 7,994.49-11,991.78-2,070.96

Finding the Fourth Proportional to 7,994.49, 11,991.78 and 2,070.96

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Solution

The fourth proportional to 7,994.49, 11,991.78 and 2,070.96 is: 3,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.49 : 11,991.78 = 2,070.96 : x
  2. Step 2: Convert to fraction form
    7,994.49/11,991.78 = 2,070.96/x
  3. Step 3: Cross multiply
    7,994.49x = 11,991.78 × 2,070.96
  4. Step 4: Simplify right side
    7,994.49x = 24,834,496.71
  5. Step 5: Solve for x
    x = 24,834,496.71/7,994.49
  6. Step 6: Final answer
    x = 3,106.45

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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.