Home / 8,861.33-13,291.98-2,287.50

Finding the Fourth Proportional to 8,861.33, 13,291.98 and 2,287.50

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Solution

The fourth proportional to 8,861.33, 13,291.98 and 2,287.50 is: 3,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.33 : 13,291.98 = 2,287.50 : x
  2. Step 2: Convert to fraction form
    8,861.33/13,291.98 = 2,287.50/x
  3. Step 3: Cross multiply
    8,861.33x = 13,291.98 × 2,287.50
  4. Step 4: Simplify right side
    8,861.33x = 30,405,404.25
  5. Step 5: Solve for x
    x = 30,405,404.25/8,861.33
  6. Step 6: Final answer
    x = 3,431.25

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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.