Home / 5,720.98-8,575.62-3,872.28

Finding the Fourth Proportional to 5,720.98, 8,575.62 and 3,872.28

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Solution

The fourth proportional to 5,720.98, 8,575.62 and 3,872.28 is: 5,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.98 : 8,575.62 = 3,872.28 : x
  2. Step 2: Convert to fraction form
    5,720.98/8,575.62 = 3,872.28/x
  3. Step 3: Cross multiply
    5,720.98x = 8,575.62 × 3,872.28
  4. Step 4: Simplify right side
    5,720.98x = 33,207,201.81
  5. Step 5: Solve for x
    x = 33,207,201.81/5,720.98
  6. Step 6: Final answer
    x = 5,804.46

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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.