Home / 7,014.99-10,528.83-2,857.89

Finding the Fourth Proportional to 7,014.99, 10,528.83 and 2,857.89

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Solution

The fourth proportional to 7,014.99, 10,528.83 and 2,857.89 is: 4,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.99 : 10,528.83 = 2,857.89 : x
  2. Step 2: Convert to fraction form
    7,014.99/10,528.83 = 2,857.89/x
  3. Step 3: Cross multiply
    7,014.99x = 10,528.83 × 2,857.89
  4. Step 4: Simplify right side
    7,014.99x = 30,090,237.97
  5. Step 5: Solve for x
    x = 30,090,237.97/7,014.99
  6. Step 6: Final answer
    x = 4,289.42

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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.