Home / 6,921.14-10,373.49-3,993.39

Finding the Fourth Proportional to 6,921.14, 10,373.49 and 3,993.39

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Solution

The fourth proportional to 6,921.14, 10,373.49 and 3,993.39 is: 5,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.14 : 10,373.49 = 3,993.39 : x
  2. Step 2: Convert to fraction form
    6,921.14/10,373.49 = 3,993.39/x
  3. Step 3: Cross multiply
    6,921.14x = 10,373.49 × 3,993.39
  4. Step 4: Simplify right side
    6,921.14x = 41,425,391.23
  5. Step 5: Solve for x
    x = 41,425,391.23/6,921.14
  6. Step 6: Final answer
    x = 5,985.35

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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.