Home / 7,678.92-10,596.36-4,321.56

Finding the Fourth Proportional to 7,678.92, 10,596.36 and 4,321.56

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Solution

The fourth proportional to 7,678.92, 10,596.36 and 4,321.56 is: 5,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.92 : 10,596.36 = 4,321.56 : x
  2. Step 2: Convert to fraction form
    7,678.92/10,596.36 = 4,321.56/x
  3. Step 3: Cross multiply
    7,678.92x = 10,596.36 × 4,321.56
  4. Step 4: Simplify right side
    7,678.92x = 45,792,805.52
  5. Step 5: Solve for x
    x = 45,792,805.52/7,678.92
  6. Step 6: Final answer
    x = 5,963.44

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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.