Home / 7,745.43-10,688.75-4,558.85

Finding the Fourth Proportional to 7,745.43, 10,688.75 and 4,558.85

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Solution

The fourth proportional to 7,745.43, 10,688.75 and 4,558.85 is: 6,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.43 : 10,688.75 = 4,558.85 : x
  2. Step 2: Convert to fraction form
    7,745.43/10,688.75 = 4,558.85/x
  3. Step 3: Cross multiply
    7,745.43x = 10,688.75 × 4,558.85
  4. Step 4: Simplify right side
    7,745.43x = 48,728,407.94
  5. Step 5: Solve for x
    x = 48,728,407.94/7,745.43
  6. Step 6: Final answer
    x = 6,291.25

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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.