Home / 5,689.96-8,534.64-2,181.64

Finding the Fourth Proportional to 5,689.96, 8,534.64 and 2,181.64

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Solution

The fourth proportional to 5,689.96, 8,534.64 and 2,181.64 is: 3,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.96 : 8,534.64 = 2,181.64 : x
  2. Step 2: Convert to fraction form
    5,689.96/8,534.64 = 2,181.64/x
  3. Step 3: Cross multiply
    5,689.96x = 8,534.64 × 2,181.64
  4. Step 4: Simplify right side
    5,689.96x = 18,619,512.01
  5. Step 5: Solve for x
    x = 18,619,512.01/5,689.96
  6. Step 6: Final answer
    x = 3,272.34

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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.