Home / 7,189.83-10,785.33-1,995.71

Finding the Fourth Proportional to 7,189.83, 10,785.33 and 1,995.71

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Solution

The fourth proportional to 7,189.83, 10,785.33 and 1,995.71 is: 2,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.83 : 10,785.33 = 1,995.71 : x
  2. Step 2: Convert to fraction form
    7,189.83/10,785.33 = 1,995.71/x
  3. Step 3: Cross multiply
    7,189.83x = 10,785.33 × 1,995.71
  4. Step 4: Simplify right side
    7,189.83x = 21,524,337.01
  5. Step 5: Solve for x
    x = 21,524,337.01/7,189.83
  6. Step 6: Final answer
    x = 2,993.72

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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.