Home / 7,678.73-10,596.66-4,321.73

Finding the Fourth Proportional to 7,678.73, 10,596.66 and 4,321.73

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Solution

The fourth proportional to 7,678.73, 10,596.66 and 4,321.73 is: 5,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.73 : 10,596.66 = 4,321.73 : x
  2. Step 2: Convert to fraction form
    7,678.73/10,596.66 = 4,321.73/x
  3. Step 3: Cross multiply
    7,678.73x = 10,596.66 × 4,321.73
  4. Step 4: Simplify right side
    7,678.73x = 45,795,903.42
  5. Step 5: Solve for x
    x = 45,795,903.42/7,678.73
  6. Step 6: Final answer
    x = 5,963.99

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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.