Home / 7,098.36-10,645.83-3,147.45

Finding the Fourth Proportional to 7,098.36, 10,645.83 and 3,147.45

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Solution

The fourth proportional to 7,098.36, 10,645.83 and 3,147.45 is: 4,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.36 : 10,645.83 = 3,147.45 : x
  2. Step 2: Convert to fraction form
    7,098.36/10,645.83 = 3,147.45/x
  3. Step 3: Cross multiply
    7,098.36x = 10,645.83 × 3,147.45
  4. Step 4: Simplify right side
    7,098.36x = 33,507,217.63
  5. Step 5: Solve for x
    x = 33,507,217.63/7,098.36
  6. Step 6: Final answer
    x = 4,720.42

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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.