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Finding the Fourth Proportional to 4,619.76, 6,926.04 and 1,696.56

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Solution

The fourth proportional to 4,619.76, 6,926.04 and 1,696.56 is: 2,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.76 : 6,926.04 = 1,696.56 : x
  2. Step 2: Convert to fraction form
    4,619.76/6,926.04 = 1,696.56/x
  3. Step 3: Cross multiply
    4,619.76x = 6,926.04 × 1,696.56
  4. Step 4: Simplify right side
    4,619.76x = 11,750,442.42
  5. Step 5: Solve for x
    x = 11,750,442.42/4,619.76
  6. Step 6: Final answer
    x = 2,543.52

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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.