Home / 4,825.64-7,239.80-1,538.98

Finding the Fourth Proportional to 4,825.64, 7,239.80 and 1,538.98

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Solution

The fourth proportional to 4,825.64, 7,239.80 and 1,538.98 is: 2,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.64 : 7,239.80 = 1,538.98 : x
  2. Step 2: Convert to fraction form
    4,825.64/7,239.80 = 1,538.98/x
  3. Step 3: Cross multiply
    4,825.64x = 7,239.80 × 1,538.98
  4. Step 4: Simplify right side
    4,825.64x = 11,141,893.15
  5. Step 5: Solve for x
    x = 11,141,893.15/4,825.64
  6. Step 6: Final answer
    x = 2,308.89

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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.