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Finding the Fourth Proportional to 4,970.68, 7,453.98 and 1,850.88

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Solution

The fourth proportional to 4,970.68, 7,453.98 and 1,850.88 is: 2,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.68 : 7,453.98 = 1,850.88 : x
  2. Step 2: Convert to fraction form
    4,970.68/7,453.98 = 1,850.88/x
  3. Step 3: Cross multiply
    4,970.68x = 7,453.98 × 1,850.88
  4. Step 4: Simplify right side
    4,970.68x = 13,796,422.50
  5. Step 5: Solve for x
    x = 13,796,422.50/4,970.68
  6. Step 6: Final answer
    x = 2,775.56

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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.