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Finding the Fourth Proportional to 7,052.67, 10,579.05 and 1,858.50

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Solution

The fourth proportional to 7,052.67, 10,579.05 and 1,858.50 is: 2,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.67 : 10,579.05 = 1,858.50 : x
  2. Step 2: Convert to fraction form
    7,052.67/10,579.05 = 1,858.50/x
  3. Step 3: Cross multiply
    7,052.67x = 10,579.05 × 1,858.50
  4. Step 4: Simplify right side
    7,052.67x = 19,661,164.43
  5. Step 5: Solve for x
    x = 19,661,164.43/7,052.67
  6. Step 6: Final answer
    x = 2,787.76

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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.