Home / 7,898.20-11,839.20-4,609.60

Finding the Fourth Proportional to 7,898.20, 11,839.20 and 4,609.60

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Solution

The fourth proportional to 7,898.20, 11,839.20 and 4,609.60 is: 6,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.20 : 11,839.20 = 4,609.60 : x
  2. Step 2: Convert to fraction form
    7,898.20/11,839.20 = 4,609.60/x
  3. Step 3: Cross multiply
    7,898.20x = 11,839.20 × 4,609.60
  4. Step 4: Simplify right side
    7,898.20x = 54,573,976.32
  5. Step 5: Solve for x
    x = 54,573,976.32/7,898.20
  6. Step 6: Final answer
    x = 6,909.67

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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.