Home / 5,102.36-7,653.53-1,815.58

Finding the Fourth Proportional to 5,102.36, 7,653.53 and 1,815.58

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Solution

The fourth proportional to 5,102.36, 7,653.53 and 1,815.58 is: 2,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.36 : 7,653.53 = 1,815.58 : x
  2. Step 2: Convert to fraction form
    5,102.36/7,653.53 = 1,815.58/x
  3. Step 3: Cross multiply
    5,102.36x = 7,653.53 × 1,815.58
  4. Step 4: Simplify right side
    5,102.36x = 13,895,586.92
  5. Step 5: Solve for x
    x = 13,895,586.92/5,102.36
  6. Step 6: Final answer
    x = 2,723.36

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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.