Home / 7,986.84-11,957.66-4,230.07

Finding the Fourth Proportional to 7,986.84, 11,957.66 and 4,230.07

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Solution

The fourth proportional to 7,986.84, 11,957.66 and 4,230.07 is: 6,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.84 : 11,957.66 = 4,230.07 : x
  2. Step 2: Convert to fraction form
    7,986.84/11,957.66 = 4,230.07/x
  3. Step 3: Cross multiply
    7,986.84x = 11,957.66 × 4,230.07
  4. Step 4: Simplify right side
    7,986.84x = 50,581,738.84
  5. Step 5: Solve for x
    x = 50,581,738.84/7,986.84
  6. Step 6: Final answer
    x = 6,333.14

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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.