Home / 7,017.30-10,525.34-2,857.75

Finding the Fourth Proportional to 7,017.30, 10,525.34 and 2,857.75

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Solution

The fourth proportional to 7,017.30, 10,525.34 and 2,857.75 is: 4,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.30 : 10,525.34 = 2,857.75 : x
  2. Step 2: Convert to fraction form
    7,017.30/10,525.34 = 2,857.75/x
  3. Step 3: Cross multiply
    7,017.30x = 10,525.34 × 2,857.75
  4. Step 4: Simplify right side
    7,017.30x = 30,078,771.22
  5. Step 5: Solve for x
    x = 30,078,771.22/7,017.30
  6. Step 6: Final answer
    x = 4,286.37

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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.