Home / 5,809.44-8,018.28-3,820.19

Finding the Fourth Proportional to 5,809.44, 8,018.28 and 3,820.19

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Solution

The fourth proportional to 5,809.44, 8,018.28 and 3,820.19 is: 5,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.44 : 8,018.28 = 3,820.19 : x
  2. Step 2: Convert to fraction form
    5,809.44/8,018.28 = 3,820.19/x
  3. Step 3: Cross multiply
    5,809.44x = 8,018.28 × 3,820.19
  4. Step 4: Simplify right side
    5,809.44x = 30,631,312.98
  5. Step 5: Solve for x
    x = 30,631,312.98/5,809.44
  6. Step 6: Final answer
    x = 5,272.68

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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.