Home / 7,966.27-10,986.87-6,685.12

Finding the Fourth Proportional to 7,966.27, 10,986.87 and 6,685.12

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Solution

The fourth proportional to 7,966.27, 10,986.87 and 6,685.12 is: 9,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.27 : 10,986.87 = 6,685.12 : x
  2. Step 2: Convert to fraction form
    7,966.27/10,986.87 = 6,685.12/x
  3. Step 3: Cross multiply
    7,966.27x = 10,986.87 × 6,685.12
  4. Step 4: Simplify right side
    7,966.27x = 73,448,544.37
  5. Step 5: Solve for x
    x = 73,448,544.37/7,966.27
  6. Step 6: Final answer
    x = 9,219.94

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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.