Home / 5,087.15-7,020.37-2,849.00

Finding the Fourth Proportional to 5,087.15, 7,020.37 and 2,849.00

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Solution

The fourth proportional to 5,087.15, 7,020.37 and 2,849.00 is: 3,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.15 : 7,020.37 = 2,849.00 : x
  2. Step 2: Convert to fraction form
    5,087.15/7,020.37 = 2,849.00/x
  3. Step 3: Cross multiply
    5,087.15x = 7,020.37 × 2,849.00
  4. Step 4: Simplify right side
    5,087.15x = 20,001,022.33
  5. Step 5: Solve for x
    x = 20,001,022.33/5,087.15
  6. Step 6: Final answer
    x = 3,931.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.