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Finding the Fourth Proportional to 8,048.70, 11,107.16 and 5,068.45

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Solution

The fourth proportional to 8,048.70, 11,107.16 and 5,068.45 is: 6,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.70 : 11,107.16 = 5,068.45 : x
  2. Step 2: Convert to fraction form
    8,048.70/11,107.16 = 5,068.45/x
  3. Step 3: Cross multiply
    8,048.70x = 11,107.16 × 5,068.45
  4. Step 4: Simplify right side
    8,048.70x = 56,296,092.65
  5. Step 5: Solve for x
    x = 56,296,092.65/8,048.70
  6. Step 6: Final answer
    x = 6,994.43

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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.