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Finding the Fourth Proportional to 5,776.45, 8,670.08 and 3,005.08

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Solution

The fourth proportional to 5,776.45, 8,670.08 and 3,005.08 is: 4,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.45 : 8,670.08 = 3,005.08 : x
  2. Step 2: Convert to fraction form
    5,776.45/8,670.08 = 3,005.08/x
  3. Step 3: Cross multiply
    5,776.45x = 8,670.08 × 3,005.08
  4. Step 4: Simplify right side
    5,776.45x = 26,054,269.84
  5. Step 5: Solve for x
    x = 26,054,269.84/5,776.45
  6. Step 6: Final answer
    x = 4,510.43

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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.