Home / 7,745.09-10,689.78-4,600.67

Finding the Fourth Proportional to 7,745.09, 10,689.78 and 4,600.67

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Solution

The fourth proportional to 7,745.09, 10,689.78 and 4,600.67 is: 6,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.09 : 10,689.78 = 4,600.67 : x
  2. Step 2: Convert to fraction form
    7,745.09/10,689.78 = 4,600.67/x
  3. Step 3: Cross multiply
    7,745.09x = 10,689.78 × 4,600.67
  4. Step 4: Simplify right side
    7,745.09x = 49,180,096.70
  5. Step 5: Solve for x
    x = 49,180,096.70/7,745.09
  6. Step 6: Final answer
    x = 6,349.85

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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.