Home / 8,861.36-13,293.50-3,316.64

Finding the Fourth Proportional to 8,861.36, 13,293.50 and 3,316.64

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Solution

The fourth proportional to 8,861.36, 13,293.50 and 3,316.64 is: 4,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.36 : 13,293.50 = 3,316.64 : x
  2. Step 2: Convert to fraction form
    8,861.36/13,293.50 = 3,316.64/x
  3. Step 3: Cross multiply
    8,861.36x = 13,293.50 × 3,316.64
  4. Step 4: Simplify right side
    8,861.36x = 44,089,753.84
  5. Step 5: Solve for x
    x = 44,089,753.84/8,861.36
  6. Step 6: Final answer
    x = 4,975.51

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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.