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Finding the Fourth Proportional to 8,073.07, 10,991.45 and 8,048.08

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Solution

The fourth proportional to 8,073.07, 10,991.45 and 8,048.08 is: 10,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.07 : 10,991.45 = 8,048.08 : x
  2. Step 2: Convert to fraction form
    8,073.07/10,991.45 = 8,048.08/x
  3. Step 3: Cross multiply
    8,073.07x = 10,991.45 × 8,048.08
  4. Step 4: Simplify right side
    8,073.07x = 88,460,088.42
  5. Step 5: Solve for x
    x = 88,460,088.42/8,073.07
  6. Step 6: Final answer
    x = 10,957.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.