Home / 5,809.35-8,016.94-3,156.81

Finding the Fourth Proportional to 5,809.35, 8,016.94 and 3,156.81

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Solution

The fourth proportional to 5,809.35, 8,016.94 and 3,156.81 is: 4,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.35 : 8,016.94 = 3,156.81 : x
  2. Step 2: Convert to fraction form
    5,809.35/8,016.94 = 3,156.81/x
  3. Step 3: Cross multiply
    5,809.35x = 8,016.94 × 3,156.81
  4. Step 4: Simplify right side
    5,809.35x = 25,307,930.24
  5. Step 5: Solve for x
    x = 25,307,930.24/5,809.35
  6. Step 6: Final answer
    x = 4,356.41

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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.