Home / 4,285.87-6,428.33-1,512.02

Finding the Fourth Proportional to 4,285.87, 6,428.33 and 1,512.02

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Solution

The fourth proportional to 4,285.87, 6,428.33 and 1,512.02 is: 2,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.87 : 6,428.33 = 1,512.02 : x
  2. Step 2: Convert to fraction form
    4,285.87/6,428.33 = 1,512.02/x
  3. Step 3: Cross multiply
    4,285.87x = 6,428.33 × 1,512.02
  4. Step 4: Simplify right side
    4,285.87x = 9,719,777.71
  5. Step 5: Solve for x
    x = 9,719,777.71/4,285.87
  6. Step 6: Final answer
    x = 2,267.87

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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.