Home / 5,345-8,016.40-2,056.96

Finding the Fourth Proportional to 5,345, 8,016.40 and 2,056.96

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Solution

The fourth proportional to 5,345, 8,016.40 and 2,056.96 is: 3,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345 : 8,016.40 = 2,056.96 : x
  2. Step 2: Convert to fraction form
    5,345/8,016.40 = 2,056.96/x
  3. Step 3: Cross multiply
    5,345x = 8,016.40 × 2,056.96
  4. Step 4: Simplify right side
    5,345x = 16,489,414.14
  5. Step 5: Solve for x
    x = 16,489,414.14/5,345
  6. Step 6: Final answer
    x = 3,085.02

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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.