Home / 4,969.11-7,453.63-1,271.32

Finding the Fourth Proportional to 4,969.11, 7,453.63 and 1,271.32

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Solution

The fourth proportional to 4,969.11, 7,453.63 and 1,271.32 is: 1,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.11 : 7,453.63 = 1,271.32 : x
  2. Step 2: Convert to fraction form
    4,969.11/7,453.63 = 1,271.32/x
  3. Step 3: Cross multiply
    4,969.11x = 7,453.63 × 1,271.32
  4. Step 4: Simplify right side
    4,969.11x = 9,475,948.89
  5. Step 5: Solve for x
    x = 9,475,948.89/4,969.11
  6. Step 6: Final answer
    x = 1,906.97

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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.