Home / 4,723-7,085.94-1,645

Finding the Fourth Proportional to 4,723, 7,085.94 and 1,645

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Solution

The fourth proportional to 4,723, 7,085.94 and 1,645 is: 2,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723 : 7,085.94 = 1,645 : x
  2. Step 2: Convert to fraction form
    4,723/7,085.94 = 1,645/x
  3. Step 3: Cross multiply
    4,723x = 7,085.94 × 1,645
  4. Step 4: Simplify right side
    4,723x = 11,656,371.30
  5. Step 5: Solve for x
    x = 11,656,371.30/4,723
  6. Step 6: Final answer
    x = 2,468.00

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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.