Home / 4,825.85-7,238.70-1,538.92

Finding the Fourth Proportional to 4,825.85, 7,238.70 and 1,538.92

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Solution

The fourth proportional to 4,825.85, 7,238.70 and 1,538.92 is: 2,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.85 : 7,238.70 = 1,538.92 : x
  2. Step 2: Convert to fraction form
    4,825.85/7,238.70 = 1,538.92/x
  3. Step 3: Cross multiply
    4,825.85x = 7,238.70 × 1,538.92
  4. Step 4: Simplify right side
    4,825.85x = 11,139,789.25
  5. Step 5: Solve for x
    x = 11,139,789.25/4,825.85
  6. Step 6: Final answer
    x = 2,308.36

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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.