Home / 8,731.80-13,090.04-3,470.48

Finding the Fourth Proportional to 8,731.80, 13,090.04 and 3,470.48

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Solution

The fourth proportional to 8,731.80, 13,090.04 and 3,470.48 is: 5,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.80 : 13,090.04 = 3,470.48 : x
  2. Step 2: Convert to fraction form
    8,731.80/13,090.04 = 3,470.48/x
  3. Step 3: Cross multiply
    8,731.80x = 13,090.04 × 3,470.48
  4. Step 4: Simplify right side
    8,731.80x = 45,428,701.32
  5. Step 5: Solve for x
    x = 45,428,701.32/8,731.80
  6. Step 6: Final answer
    x = 5,202.67

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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.