Home / 4,828.18-7,238.72-1,539.38

Finding the Fourth Proportional to 4,828.18, 7,238.72 and 1,539.38

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Solution

The fourth proportional to 4,828.18, 7,238.72 and 1,539.38 is: 2,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.18 : 7,238.72 = 1,539.38 : x
  2. Step 2: Convert to fraction form
    4,828.18/7,238.72 = 1,539.38/x
  3. Step 3: Cross multiply
    4,828.18x = 7,238.72 × 1,539.38
  4. Step 4: Simplify right side
    4,828.18x = 11,143,140.79
  5. Step 5: Solve for x
    x = 11,143,140.79/4,828.18
  6. Step 6: Final answer
    x = 2,307.94

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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.