Home / 5,617.58-8,427.46-2,154.56

Finding the Fourth Proportional to 5,617.58, 8,427.46 and 2,154.56

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Solution

The fourth proportional to 5,617.58, 8,427.46 and 2,154.56 is: 3,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.58 : 8,427.46 = 2,154.56 : x
  2. Step 2: Convert to fraction form
    5,617.58/8,427.46 = 2,154.56/x
  3. Step 3: Cross multiply
    5,617.58x = 8,427.46 × 2,154.56
  4. Step 4: Simplify right side
    5,617.58x = 18,157,483.90
  5. Step 5: Solve for x
    x = 18,157,483.90/5,617.58
  6. Step 6: Final answer
    x = 3,232.26

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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.