Home / 7,914.73-10,924.49-4,928.80

Finding the Fourth Proportional to 7,914.73, 10,924.49 and 4,928.80

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Solution

The fourth proportional to 7,914.73, 10,924.49 and 4,928.80 is: 6,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.73 : 10,924.49 = 4,928.80 : x
  2. Step 2: Convert to fraction form
    7,914.73/10,924.49 = 4,928.80/x
  3. Step 3: Cross multiply
    7,914.73x = 10,924.49 × 4,928.80
  4. Step 4: Simplify right side
    7,914.73x = 53,844,626.31
  5. Step 5: Solve for x
    x = 53,844,626.31/7,914.73
  6. Step 6: Final answer
    x = 6,803.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.