Home / 5,271.77-7,905.21-3,629.09

Finding the Fourth Proportional to 5,271.77, 7,905.21 and 3,629.09

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Solution

The fourth proportional to 5,271.77, 7,905.21 and 3,629.09 is: 5,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.77 : 7,905.21 = 3,629.09 : x
  2. Step 2: Convert to fraction form
    5,271.77/7,905.21 = 3,629.09/x
  3. Step 3: Cross multiply
    5,271.77x = 7,905.21 × 3,629.09
  4. Step 4: Simplify right side
    5,271.77x = 28,688,718.56
  5. Step 5: Solve for x
    x = 28,688,718.56/5,271.77
  6. Step 6: Final answer
    x = 5,441.95

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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.