Home / 7,829.06-11,745.12-2,898.74

Finding the Fourth Proportional to 7,829.06, 11,745.12 and 2,898.74

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Solution

The fourth proportional to 7,829.06, 11,745.12 and 2,898.74 is: 4,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.06 : 11,745.12 = 2,898.74 : x
  2. Step 2: Convert to fraction form
    7,829.06/11,745.12 = 2,898.74/x
  3. Step 3: Cross multiply
    7,829.06x = 11,745.12 × 2,898.74
  4. Step 4: Simplify right side
    7,829.06x = 34,046,049.15
  5. Step 5: Solve for x
    x = 34,046,049.15/7,829.06
  6. Step 6: Final answer
    x = 4,348.68

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1.5x scale

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.