Home / 7,838.32-11,756.34-1,994.56

Finding the Fourth Proportional to 7,838.32, 11,756.34 and 1,994.56

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Solution

The fourth proportional to 7,838.32, 11,756.34 and 1,994.56 is: 2,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.32 : 11,756.34 = 1,994.56 : x
  2. Step 2: Convert to fraction form
    7,838.32/11,756.34 = 1,994.56/x
  3. Step 3: Cross multiply
    7,838.32x = 11,756.34 × 1,994.56
  4. Step 4: Simplify right side
    7,838.32x = 23,448,725.51
  5. Step 5: Solve for x
    x = 23,448,725.51/7,838.32
  6. Step 6: Final answer
    x = 2,991.55

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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.