Home / 6,755.40-10,120.62-5,666.76

Finding the Fourth Proportional to 6,755.40, 10,120.62 and 5,666.76

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Solution

The fourth proportional to 6,755.40, 10,120.62 and 5,666.76 is: 8,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.40 : 10,120.62 = 5,666.76 : x
  2. Step 2: Convert to fraction form
    6,755.40/10,120.62 = 5,666.76/x
  3. Step 3: Cross multiply
    6,755.40x = 10,120.62 × 5,666.76
  4. Step 4: Simplify right side
    6,755.40x = 57,351,124.59
  5. Step 5: Solve for x
    x = 57,351,124.59/6,755.40
  6. Step 6: Final answer
    x = 8,489.67

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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.