Home / 8,771.34-13,157.11-5,071.33

Finding the Fourth Proportional to 8,771.34, 13,157.11 and 5,071.33

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Solution

The fourth proportional to 8,771.34, 13,157.11 and 5,071.33 is: 7,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.34 : 13,157.11 = 5,071.33 : x
  2. Step 2: Convert to fraction form
    8,771.34/13,157.11 = 5,071.33/x
  3. Step 3: Cross multiply
    8,771.34x = 13,157.11 × 5,071.33
  4. Step 4: Simplify right side
    8,771.34x = 66,723,980.87
  5. Step 5: Solve for x
    x = 66,723,980.87/8,771.34
  6. Step 6: Final answer
    x = 7,607.05

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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.