Home / 4,825.92-7,238.72-1,539.20

Finding the Fourth Proportional to 4,825.92, 7,238.72 and 1,539.20

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Solution

The fourth proportional to 4,825.92, 7,238.72 and 1,539.20 is: 2,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.92 : 7,238.72 = 1,539.20 : x
  2. Step 2: Convert to fraction form
    4,825.92/7,238.72 = 1,539.20/x
  3. Step 3: Cross multiply
    4,825.92x = 7,238.72 × 1,539.20
  4. Step 4: Simplify right side
    4,825.92x = 11,141,837.82
  5. Step 5: Solve for x
    x = 11,141,837.82/4,825.92
  6. Step 6: Final answer
    x = 2,308.75

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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.