Home / 4,285.68-6,428.70-1,364.01

Finding the Fourth Proportional to 4,285.68, 6,428.70 and 1,364.01

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Solution

The fourth proportional to 4,285.68, 6,428.70 and 1,364.01 is: 2,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.68 : 6,428.70 = 1,364.01 : x
  2. Step 2: Convert to fraction form
    4,285.68/6,428.70 = 1,364.01/x
  3. Step 3: Cross multiply
    4,285.68x = 6,428.70 × 1,364.01
  4. Step 4: Simplify right side
    4,285.68x = 8,768,811.09
  5. Step 5: Solve for x
    x = 8,768,811.09/4,285.68
  6. Step 6: Final answer
    x = 2,046.07

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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.