Home / 5,809.03-8,016.36-3,156.48

Finding the Fourth Proportional to 5,809.03, 8,016.36 and 3,156.48

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Solution

The fourth proportional to 5,809.03, 8,016.36 and 3,156.48 is: 4,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.03 : 8,016.36 = 3,156.48 : x
  2. Step 2: Convert to fraction form
    5,809.03/8,016.36 = 3,156.48/x
  3. Step 3: Cross multiply
    5,809.03x = 8,016.36 × 3,156.48
  4. Step 4: Simplify right side
    5,809.03x = 25,303,480.01
  5. Step 5: Solve for x
    x = 25,303,480.01/5,809.03
  6. Step 6: Final answer
    x = 4,355.89

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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.