Home / 4,215.21-6,323.61-1,617.95

Finding the Fourth Proportional to 4,215.21, 6,323.61 and 1,617.95

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Solution

The fourth proportional to 4,215.21, 6,323.61 and 1,617.95 is: 2,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.21 : 6,323.61 = 1,617.95 : x
  2. Step 2: Convert to fraction form
    4,215.21/6,323.61 = 1,617.95/x
  3. Step 3: Cross multiply
    4,215.21x = 6,323.61 × 1,617.95
  4. Step 4: Simplify right side
    4,215.21x = 10,231,253.18
  5. Step 5: Solve for x
    x = 10,231,253.18/4,215.21
  6. Step 6: Final answer
    x = 2,427.22

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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.