Home / 8,931.22-13,401.38-3,670.26

Finding the Fourth Proportional to 8,931.22, 13,401.38 and 3,670.26

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Solution

The fourth proportional to 8,931.22, 13,401.38 and 3,670.26 is: 5,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.22 : 13,401.38 = 3,670.26 : x
  2. Step 2: Convert to fraction form
    8,931.22/13,401.38 = 3,670.26/x
  3. Step 3: Cross multiply
    8,931.22x = 13,401.38 × 3,670.26
  4. Step 4: Simplify right side
    8,931.22x = 49,186,548.96
  5. Step 5: Solve for x
    x = 49,186,548.96/8,931.22
  6. Step 6: Final answer
    x = 5,507.26

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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.