Home / 4,948.48-7,423.41-1,828.09

Finding the Fourth Proportional to 4,948.48, 7,423.41 and 1,828.09

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Solution

The fourth proportional to 4,948.48, 7,423.41 and 1,828.09 is: 2,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.48 : 7,423.41 = 1,828.09 : x
  2. Step 2: Convert to fraction form
    4,948.48/7,423.41 = 1,828.09/x
  3. Step 3: Cross multiply
    4,948.48x = 7,423.41 × 1,828.09
  4. Step 4: Simplify right side
    4,948.48x = 13,570,661.59
  5. Step 5: Solve for x
    x = 13,570,661.59/4,948.48
  6. Step 6: Final answer
    x = 2,742.39

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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.