Home / 5,228.56-7,840.59-1,939.24

Finding the Fourth Proportional to 5,228.56, 7,840.59 and 1,939.24

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Solution

The fourth proportional to 5,228.56, 7,840.59 and 1,939.24 is: 2,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.56 : 7,840.59 = 1,939.24 : x
  2. Step 2: Convert to fraction form
    5,228.56/7,840.59 = 1,939.24/x
  3. Step 3: Cross multiply
    5,228.56x = 7,840.59 × 1,939.24
  4. Step 4: Simplify right side
    5,228.56x = 15,204,785.75
  5. Step 5: Solve for x
    x = 15,204,785.75/5,228.56
  6. Step 6: Final answer
    x = 2,908.03

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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.