Home / 8,519.60-11,756.70-4,742.66

Finding the Fourth Proportional to 8,519.60, 11,756.70 and 4,742.66

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Solution

The fourth proportional to 8,519.60, 11,756.70 and 4,742.66 is: 6,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.60 : 11,756.70 = 4,742.66 : x
  2. Step 2: Convert to fraction form
    8,519.60/11,756.70 = 4,742.66/x
  3. Step 3: Cross multiply
    8,519.60x = 11,756.70 × 4,742.66
  4. Step 4: Simplify right side
    8,519.60x = 55,757,994.08
  5. Step 5: Solve for x
    x = 55,757,994.08/8,519.60
  6. Step 6: Final answer
    x = 6,544.67

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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.