Home / 7,346.67-10,137.74-4,202.79

Finding the Fourth Proportional to 7,346.67, 10,137.74 and 4,202.79

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Solution

The fourth proportional to 7,346.67, 10,137.74 and 4,202.79 is: 5,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.67 : 10,137.74 = 4,202.79 : x
  2. Step 2: Convert to fraction form
    7,346.67/10,137.74 = 4,202.79/x
  3. Step 3: Cross multiply
    7,346.67x = 10,137.74 × 4,202.79
  4. Step 4: Simplify right side
    7,346.67x = 42,606,771.28
  5. Step 5: Solve for x
    x = 42,606,771.28/7,346.67
  6. Step 6: Final answer
    x = 5,799.47

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1.5x scale

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.