Home / 4,285.69-6,429.50-1,512.56

Finding the Fourth Proportional to 4,285.69, 6,429.50 and 1,512.56

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Solution

The fourth proportional to 4,285.69, 6,429.50 and 1,512.56 is: 2,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.69 : 6,429.50 = 1,512.56 : x
  2. Step 2: Convert to fraction form
    4,285.69/6,429.50 = 1,512.56/x
  3. Step 3: Cross multiply
    4,285.69x = 6,429.50 × 1,512.56
  4. Step 4: Simplify right side
    4,285.69x = 9,725,004.52
  5. Step 5: Solve for x
    x = 9,725,004.52/4,285.69
  6. Step 6: Final answer
    x = 2,269.18

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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.