Home / 5,128.52-7,693.92-1,797.26

Finding the Fourth Proportional to 5,128.52, 7,693.92 and 1,797.26

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Solution

The fourth proportional to 5,128.52, 7,693.92 and 1,797.26 is: 2,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.52 : 7,693.92 = 1,797.26 : x
  2. Step 2: Convert to fraction form
    5,128.52/7,693.92 = 1,797.26/x
  3. Step 3: Cross multiply
    5,128.52x = 7,693.92 × 1,797.26
  4. Step 4: Simplify right side
    5,128.52x = 13,827,936.19
  5. Step 5: Solve for x
    x = 13,827,936.19/5,128.52
  6. Step 6: Final answer
    x = 2,696.28

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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.