Home / 4,569.31-6,849.85-1,645.57

Finding the Fourth Proportional to 4,569.31, 6,849.85 and 1,645.57

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Solution

The fourth proportional to 4,569.31, 6,849.85 and 1,645.57 is: 2,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,569.31 : 6,849.85 = 1,645.57 : x
  2. Step 2: Convert to fraction form
    4,569.31/6,849.85 = 1,645.57/x
  3. Step 3: Cross multiply
    4,569.31x = 6,849.85 × 1,645.57
  4. Step 4: Simplify right side
    4,569.31x = 11,271,907.66
  5. Step 5: Solve for x
    x = 11,271,907.66/4,569.31
  6. Step 6: Final answer
    x = 2,466.87

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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.