Home / 4,285.87-6,428.50-1,512.77

Finding the Fourth Proportional to 4,285.87, 6,428.50 and 1,512.77

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Solution

The fourth proportional to 4,285.87, 6,428.50 and 1,512.77 is: 2,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.87 : 6,428.50 = 1,512.77 : x
  2. Step 2: Convert to fraction form
    4,285.87/6,428.50 = 1,512.77/x
  3. Step 3: Cross multiply
    4,285.87x = 6,428.50 × 1,512.77
  4. Step 4: Simplify right side
    4,285.87x = 9,724,806.02
  5. Step 5: Solve for x
    x = 9,724,806.02/4,285.87
  6. Step 6: Final answer
    x = 2,269.04

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1.5x scale

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.