Home / 5,617.25-8,428.32-2,156.93

Finding the Fourth Proportional to 5,617.25, 8,428.32 and 2,156.93

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Solution

The fourth proportional to 5,617.25, 8,428.32 and 2,156.93 is: 3,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.25 : 8,428.32 = 2,156.93 : x
  2. Step 2: Convert to fraction form
    5,617.25/8,428.32 = 2,156.93/x
  3. Step 3: Cross multiply
    5,617.25x = 8,428.32 × 2,156.93
  4. Step 4: Simplify right side
    5,617.25x = 18,179,254.12
  5. Step 5: Solve for x
    x = 18,179,254.12/5,617.25
  6. Step 6: Final answer
    x = 3,236.33

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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.