Home / 8,515.45-11,751.33-4,738.96

Finding the Fourth Proportional to 8,515.45, 11,751.33 and 4,738.96

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Solution

The fourth proportional to 8,515.45, 11,751.33 and 4,738.96 is: 6,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.45 : 11,751.33 = 4,738.96 : x
  2. Step 2: Convert to fraction form
    8,515.45/11,751.33 = 4,738.96/x
  3. Step 3: Cross multiply
    8,515.45x = 11,751.33 × 4,738.96
  4. Step 4: Simplify right side
    8,515.45x = 55,689,082.82
  5. Step 5: Solve for x
    x = 55,689,082.82/8,515.45
  6. Step 6: Final answer
    x = 6,539.77

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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.