Home / 7,665.69-11,497.08-2,399.91

Finding the Fourth Proportional to 7,665.69, 11,497.08 and 2,399.91

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Solution

The fourth proportional to 7,665.69, 11,497.08 and 2,399.91 is: 3,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.69 : 11,497.08 = 2,399.91 : x
  2. Step 2: Convert to fraction form
    7,665.69/11,497.08 = 2,399.91/x
  3. Step 3: Cross multiply
    7,665.69x = 11,497.08 × 2,399.91
  4. Step 4: Simplify right side
    7,665.69x = 27,591,923.15
  5. Step 5: Solve for x
    x = 27,591,923.15/7,665.69
  6. Step 6: Final answer
    x = 3,599.40

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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.