Home / 5,237.56-7,851.66-1,948.36

Finding the Fourth Proportional to 5,237.56, 7,851.66 and 1,948.36

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Solution

The fourth proportional to 5,237.56, 7,851.66 and 1,948.36 is: 2,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.56 : 7,851.66 = 1,948.36 : x
  2. Step 2: Convert to fraction form
    5,237.56/7,851.66 = 1,948.36/x
  3. Step 3: Cross multiply
    5,237.56x = 7,851.66 × 1,948.36
  4. Step 4: Simplify right side
    5,237.56x = 15,297,860.28
  5. Step 5: Solve for x
    x = 15,297,860.28/5,237.56
  6. Step 6: Final answer
    x = 2,920.80

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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.