Home / 7,265.08-10,898.70-2,647

Finding the Fourth Proportional to 7,265.08, 10,898.70 and 2,647

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Solution

The fourth proportional to 7,265.08, 10,898.70 and 2,647 is: 3,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.08 : 10,898.70 = 2,647 : x
  2. Step 2: Convert to fraction form
    7,265.08/10,898.70 = 2,647/x
  3. Step 3: Cross multiply
    7,265.08x = 10,898.70 × 2,647
  4. Step 4: Simplify right side
    7,265.08x = 28,848,858.90
  5. Step 5: Solve for x
    x = 28,848,858.90/7,265.08
  6. Step 6: Final answer
    x = 3,970.89

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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.