Home / 5,234.89-7,851.74-1,537.15

Finding the Fourth Proportional to 5,234.89, 7,851.74 and 1,537.15

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Solution

The fourth proportional to 5,234.89, 7,851.74 and 1,537.15 is: 2,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.89 : 7,851.74 = 1,537.15 : x
  2. Step 2: Convert to fraction form
    5,234.89/7,851.74 = 1,537.15/x
  3. Step 3: Cross multiply
    5,234.89x = 7,851.74 × 1,537.15
  4. Step 4: Simplify right side
    5,234.89x = 12,069,262.88
  5. Step 5: Solve for x
    x = 12,069,262.88/5,234.89
  6. Step 6: Final answer
    x = 2,305.54

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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.