Home / 4,214.88-6,323.40-1,618.02

Finding the Fourth Proportional to 4,214.88, 6,323.40 and 1,618.02

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Solution

The fourth proportional to 4,214.88, 6,323.40 and 1,618.02 is: 2,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.88 : 6,323.40 = 1,618.02 : x
  2. Step 2: Convert to fraction form
    4,214.88/6,323.40 = 1,618.02/x
  3. Step 3: Cross multiply
    4,214.88x = 6,323.40 × 1,618.02
  4. Step 4: Simplify right side
    4,214.88x = 10,231,387.67
  5. Step 5: Solve for x
    x = 10,231,387.67/4,214.88
  6. Step 6: Final answer
    x = 2,427.44

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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.