Home / 4,825.91-7,238.73-1,539.20

Finding the Fourth Proportional to 4,825.91, 7,238.73 and 1,539.20

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Solution

The fourth proportional to 4,825.91, 7,238.73 and 1,539.20 is: 2,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.91 : 7,238.73 = 1,539.20 : x
  2. Step 2: Convert to fraction form
    4,825.91/7,238.73 = 1,539.20/x
  3. Step 3: Cross multiply
    4,825.91x = 7,238.73 × 1,539.20
  4. Step 4: Simplify right side
    4,825.91x = 11,141,853.22
  5. Step 5: Solve for x
    x = 11,141,853.22/4,825.91
  6. Step 6: Final answer
    x = 2,308.76

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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.