Home / 5,720.21-8,577.34-2,211.44

Finding the Fourth Proportional to 5,720.21, 8,577.34 and 2,211.44

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Solution

The fourth proportional to 5,720.21, 8,577.34 and 2,211.44 is: 3,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.21 : 8,577.34 = 2,211.44 : x
  2. Step 2: Convert to fraction form
    5,720.21/8,577.34 = 2,211.44/x
  3. Step 3: Cross multiply
    5,720.21x = 8,577.34 × 2,211.44
  4. Step 4: Simplify right side
    5,720.21x = 18,968,224.35
  5. Step 5: Solve for x
    x = 18,968,224.35/5,720.21
  6. Step 6: Final answer
    x = 3,316.00

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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.