Home / 4,286.02-6,429.55-1,208.02

Finding the Fourth Proportional to 4,286.02, 6,429.55 and 1,208.02

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Solution

The fourth proportional to 4,286.02, 6,429.55 and 1,208.02 is: 1,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.02 : 6,429.55 = 1,208.02 : x
  2. Step 2: Convert to fraction form
    4,286.02/6,429.55 = 1,208.02/x
  3. Step 3: Cross multiply
    4,286.02x = 6,429.55 × 1,208.02
  4. Step 4: Simplify right side
    4,286.02x = 7,767,024.99
  5. Step 5: Solve for x
    x = 7,767,024.99/4,286.02
  6. Step 6: Final answer
    x = 1,812.18

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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.