Home / 7,286.04-10,918.89-6,406.38

Finding the Fourth Proportional to 7,286.04, 10,918.89 and 6,406.38

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Solution

The fourth proportional to 7,286.04, 10,918.89 and 6,406.38 is: 9,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.04 : 10,918.89 = 6,406.38 : x
  2. Step 2: Convert to fraction form
    7,286.04/10,918.89 = 6,406.38/x
  3. Step 3: Cross multiply
    7,286.04x = 10,918.89 × 6,406.38
  4. Step 4: Simplify right side
    7,286.04x = 69,950,558.52
  5. Step 5: Solve for x
    x = 69,950,558.52/7,286.04
  6. Step 6: Final answer
    x = 9,600.63

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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.