Home / 7,022.19-10,530.70-2,859.94

Finding the Fourth Proportional to 7,022.19, 10,530.70 and 2,859.94

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Solution

The fourth proportional to 7,022.19, 10,530.70 and 2,859.94 is: 4,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.19 : 10,530.70 = 2,859.94 : x
  2. Step 2: Convert to fraction form
    7,022.19/10,530.70 = 2,859.94/x
  3. Step 3: Cross multiply
    7,022.19x = 10,530.70 × 2,859.94
  4. Step 4: Simplify right side
    7,022.19x = 30,117,147.41
  5. Step 5: Solve for x
    x = 30,117,147.41/7,022.19
  6. Step 6: Final answer
    x = 4,288.85

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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.