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Finding the Fourth Proportional to 5,811.89, 8,011.32 and 4,754.03

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Solution

The fourth proportional to 5,811.89, 8,011.32 and 4,754.03 is: 6,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.89 : 8,011.32 = 4,754.03 : x
  2. Step 2: Convert to fraction form
    5,811.89/8,011.32 = 4,754.03/x
  3. Step 3: Cross multiply
    5,811.89x = 8,011.32 × 4,754.03
  4. Step 4: Simplify right side
    5,811.89x = 38,086,055.62
  5. Step 5: Solve for x
    x = 38,086,055.62/5,811.89
  6. Step 6: Final answer
    x = 6,553.13

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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.