Home / 4,202.60-6,303.14-1,429.21

Finding the Fourth Proportional to 4,202.60, 6,303.14 and 1,429.21

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Solution

The fourth proportional to 4,202.60, 6,303.14 and 1,429.21 is: 2,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.60 : 6,303.14 = 1,429.21 : x
  2. Step 2: Convert to fraction form
    4,202.60/6,303.14 = 1,429.21/x
  3. Step 3: Cross multiply
    4,202.60x = 6,303.14 × 1,429.21
  4. Step 4: Simplify right side
    4,202.60x = 9,008,510.72
  5. Step 5: Solve for x
    x = 9,008,510.72/4,202.60
  6. Step 6: Final answer
    x = 2,143.56

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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.