Home / 4,218-6,325.08-1,619.04

Finding the Fourth Proportional to 4,218, 6,325.08 and 1,619.04

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Solution

The fourth proportional to 4,218, 6,325.08 and 1,619.04 is: 2,427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218 : 6,325.08 = 1,619.04 : x
  2. Step 2: Convert to fraction form
    4,218/6,325.08 = 1,619.04/x
  3. Step 3: Cross multiply
    4,218x = 6,325.08 × 1,619.04
  4. Step 4: Simplify right side
    4,218x = 10,240,557.52
  5. Step 5: Solve for x
    x = 10,240,557.52/4,218
  6. Step 6: Final answer
    x = 2,427.82

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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.