Home / 7,745.43-10,689.26-4,558.89

Finding the Fourth Proportional to 7,745.43, 10,689.26 and 4,558.89

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Solution

The fourth proportional to 7,745.43, 10,689.26 and 4,558.89 is: 6,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.43 : 10,689.26 = 4,558.89 : x
  2. Step 2: Convert to fraction form
    7,745.43/10,689.26 = 4,558.89/x
  3. Step 3: Cross multiply
    7,745.43x = 10,689.26 × 4,558.89
  4. Step 4: Simplify right side
    7,745.43x = 48,731,137.73
  5. Step 5: Solve for x
    x = 48,731,137.73/7,745.43
  6. Step 6: Final answer
    x = 6,291.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.