Home / 5,128.14-7,695.96-3,283.77

Finding the Fourth Proportional to 5,128.14, 7,695.96 and 3,283.77

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Solution

The fourth proportional to 5,128.14, 7,695.96 and 3,283.77 is: 4,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.14 : 7,695.96 = 3,283.77 : x
  2. Step 2: Convert to fraction form
    5,128.14/7,695.96 = 3,283.77/x
  3. Step 3: Cross multiply
    5,128.14x = 7,695.96 × 3,283.77
  4. Step 4: Simplify right side
    5,128.14x = 25,271,762.57
  5. Step 5: Solve for x
    x = 25,271,762.57/5,128.14
  6. Step 6: Final answer
    x = 4,928.06

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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.