Home / 5,285.50-7,928.37-2,000.14

Finding the Fourth Proportional to 5,285.50, 7,928.37 and 2,000.14

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Solution

The fourth proportional to 5,285.50, 7,928.37 and 2,000.14 is: 3,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.50 : 7,928.37 = 2,000.14 : x
  2. Step 2: Convert to fraction form
    5,285.50/7,928.37 = 2,000.14/x
  3. Step 3: Cross multiply
    5,285.50x = 7,928.37 × 2,000.14
  4. Step 4: Simplify right side
    5,285.50x = 15,857,849.97
  5. Step 5: Solve for x
    x = 15,857,849.97/5,285.50
  6. Step 6: Final answer
    x = 3,000.26

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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.