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Finding the Fourth Proportional to 6,662.91, 9,995.81 and 2,280.45

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Solution

The fourth proportional to 6,662.91, 9,995.81 and 2,280.45 is: 3,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.91 : 9,995.81 = 2,280.45 : x
  2. Step 2: Convert to fraction form
    6,662.91/9,995.81 = 2,280.45/x
  3. Step 3: Cross multiply
    6,662.91x = 9,995.81 × 2,280.45
  4. Step 4: Simplify right side
    6,662.91x = 22,794,971.00
  5. Step 5: Solve for x
    x = 22,794,971.00/6,662.91
  6. Step 6: Final answer
    x = 3,421.17

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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.