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Finding the Fourth Proportional to 9,289.78, 13,934.18 and 3,048.97

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Solution

The fourth proportional to 9,289.78, 13,934.18 and 3,048.97 is: 4,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.78 : 13,934.18 = 3,048.97 : x
  2. Step 2: Convert to fraction form
    9,289.78/13,934.18 = 3,048.97/x
  3. Step 3: Cross multiply
    9,289.78x = 13,934.18 × 3,048.97
  4. Step 4: Simplify right side
    9,289.78x = 42,484,896.79
  5. Step 5: Solve for x
    x = 42,484,896.79/9,289.78
  6. Step 6: Final answer
    x = 4,573.29

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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.