Home / 4,815.96-6,646.62-2,720.07

Finding the Fourth Proportional to 4,815.96, 6,646.62 and 2,720.07

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Solution

The fourth proportional to 4,815.96, 6,646.62 and 2,720.07 is: 3,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.96 : 6,646.62 = 2,720.07 : x
  2. Step 2: Convert to fraction form
    4,815.96/6,646.62 = 2,720.07/x
  3. Step 3: Cross multiply
    4,815.96x = 6,646.62 × 2,720.07
  4. Step 4: Simplify right side
    4,815.96x = 18,079,271.66
  5. Step 5: Solve for x
    x = 18,079,271.66/4,815.96
  6. Step 6: Final answer
    x = 3,754.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.