Home / 4,715.05-7,071.65-1,427.37

Finding the Fourth Proportional to 4,715.05, 7,071.65 and 1,427.37

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Solution

The fourth proportional to 4,715.05, 7,071.65 and 1,427.37 is: 2,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.05 : 7,071.65 = 1,427.37 : x
  2. Step 2: Convert to fraction form
    4,715.05/7,071.65 = 1,427.37/x
  3. Step 3: Cross multiply
    4,715.05x = 7,071.65 × 1,427.37
  4. Step 4: Simplify right side
    4,715.05x = 10,093,861.06
  5. Step 5: Solve for x
    x = 10,093,861.06/4,715.05
  6. Step 6: Final answer
    x = 2,140.77

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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.