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Finding the Fourth Proportional to 4,696.87, 7,048.39 and 1,775.18

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Solution

The fourth proportional to 4,696.87, 7,048.39 and 1,775.18 is: 2,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.87 : 7,048.39 = 1,775.18 : x
  2. Step 2: Convert to fraction form
    4,696.87/7,048.39 = 1,775.18/x
  3. Step 3: Cross multiply
    4,696.87x = 7,048.39 × 1,775.18
  4. Step 4: Simplify right side
    4,696.87x = 12,512,134.46
  5. Step 5: Solve for x
    x = 12,512,134.46/4,696.87
  6. Step 6: Final answer
    x = 2,663.93

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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.