Home / 5,164.62-7,127.31-3,040.26

Finding the Fourth Proportional to 5,164.62, 7,127.31 and 3,040.26

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Solution

The fourth proportional to 5,164.62, 7,127.31 and 3,040.26 is: 4,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.62 : 7,127.31 = 3,040.26 : x
  2. Step 2: Convert to fraction form
    5,164.62/7,127.31 = 3,040.26/x
  3. Step 3: Cross multiply
    5,164.62x = 7,127.31 × 3,040.26
  4. Step 4: Simplify right side
    5,164.62x = 21,668,875.50
  5. Step 5: Solve for x
    x = 21,668,875.50/5,164.62
  6. Step 6: Final answer
    x = 4,195.64

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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.