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Finding the Fourth Proportional to 4,733.64, 7,099.65 and 3,085.29

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Solution

The fourth proportional to 4,733.64, 7,099.65 and 3,085.29 is: 4,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,733.64 : 7,099.65 = 3,085.29 : x
  2. Step 2: Convert to fraction form
    4,733.64/7,099.65 = 3,085.29/x
  3. Step 3: Cross multiply
    4,733.64x = 7,099.65 × 3,085.29
  4. Step 4: Simplify right side
    4,733.64x = 21,904,479.15
  5. Step 5: Solve for x
    x = 21,904,479.15/4,733.64
  6. Step 6: Final answer
    x = 4,627.41

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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.