Home / 7,020.29-10,530.41-2,859.37

Finding the Fourth Proportional to 7,020.29, 10,530.41 and 2,859.37

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Solution

The fourth proportional to 7,020.29, 10,530.41 and 2,859.37 is: 4,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.29 : 10,530.41 = 2,859.37 : x
  2. Step 2: Convert to fraction form
    7,020.29/10,530.41 = 2,859.37/x
  3. Step 3: Cross multiply
    7,020.29x = 10,530.41 × 2,859.37
  4. Step 4: Simplify right side
    7,020.29x = 30,110,338.44
  5. Step 5: Solve for x
    x = 30,110,338.44/7,020.29
  6. Step 6: Final answer
    x = 4,289.04

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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.