Home / 4,915-7,370.22-1,792.84

Finding the Fourth Proportional to 4,915, 7,370.22 and 1,792.84

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Solution

The fourth proportional to 4,915, 7,370.22 and 1,792.84 is: 2,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915 : 7,370.22 = 1,792.84 : x
  2. Step 2: Convert to fraction form
    4,915/7,370.22 = 1,792.84/x
  3. Step 3: Cross multiply
    4,915x = 7,370.22 × 1,792.84
  4. Step 4: Simplify right side
    4,915x = 13,213,625.22
  5. Step 5: Solve for x
    x = 13,213,625.22/4,915
  6. Step 6: Final answer
    x = 2,688.43

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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.