Home / 4,147.48-6,220.98-1,682.50

Finding the Fourth Proportional to 4,147.48, 6,220.98 and 1,682.50

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Solution

The fourth proportional to 4,147.48, 6,220.98 and 1,682.50 is: 2,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.48 : 6,220.98 = 1,682.50 : x
  2. Step 2: Convert to fraction form
    4,147.48/6,220.98 = 1,682.50/x
  3. Step 3: Cross multiply
    4,147.48x = 6,220.98 × 1,682.50
  4. Step 4: Simplify right side
    4,147.48x = 10,466,798.85
  5. Step 5: Solve for x
    x = 10,466,798.85/4,147.48
  6. Step 6: Final answer
    x = 2,523.65

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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.