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Finding the Fourth Proportional to 4,666.32, 6,999.48 and 1,744.56

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Solution

The fourth proportional to 4,666.32, 6,999.48 and 1,744.56 is: 2,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.32 : 6,999.48 = 1,744.56 : x
  2. Step 2: Convert to fraction form
    4,666.32/6,999.48 = 1,744.56/x
  3. Step 3: Cross multiply
    4,666.32x = 6,999.48 × 1,744.56
  4. Step 4: Simplify right side
    4,666.32x = 12,211,012.83
  5. Step 5: Solve for x
    x = 12,211,012.83/4,666.32
  6. Step 6: Final answer
    x = 2,616.84

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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.