Home / 4,202.19-6,302.67-1,428.95

Finding the Fourth Proportional to 4,202.19, 6,302.67 and 1,428.95

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Solution

The fourth proportional to 4,202.19, 6,302.67 and 1,428.95 is: 2,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.19 : 6,302.67 = 1,428.95 : x
  2. Step 2: Convert to fraction form
    4,202.19/6,302.67 = 1,428.95/x
  3. Step 3: Cross multiply
    4,202.19x = 6,302.67 × 1,428.95
  4. Step 4: Simplify right side
    4,202.19x = 9,006,168.78
  5. Step 5: Solve for x
    x = 9,006,168.78/4,202.19
  6. Step 6: Final answer
    x = 2,143.21

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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.