Home / 7,619.67-11,432.91-4,845.60

Finding the Fourth Proportional to 7,619.67, 11,432.91 and 4,845.60

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Solution

The fourth proportional to 7,619.67, 11,432.91 and 4,845.60 is: 7,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.67 : 11,432.91 = 4,845.60 : x
  2. Step 2: Convert to fraction form
    7,619.67/11,432.91 = 4,845.60/x
  3. Step 3: Cross multiply
    7,619.67x = 11,432.91 × 4,845.60
  4. Step 4: Simplify right side
    7,619.67x = 55,399,308.70
  5. Step 5: Solve for x
    x = 55,399,308.70/7,619.67
  6. Step 6: Final answer
    x = 7,270.57

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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.