Home / 7,776.28-10,725.79-4,791.16

Finding the Fourth Proportional to 7,776.28, 10,725.79 and 4,791.16

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Solution

The fourth proportional to 7,776.28, 10,725.79 and 4,791.16 is: 6,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.28 : 10,725.79 = 4,791.16 : x
  2. Step 2: Convert to fraction form
    7,776.28/10,725.79 = 4,791.16/x
  3. Step 3: Cross multiply
    7,776.28x = 10,725.79 × 4,791.16
  4. Step 4: Simplify right side
    7,776.28x = 51,388,898.43
  5. Step 5: Solve for x
    x = 51,388,898.43/7,776.28
  6. Step 6: Final answer
    x = 6,608.42

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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.