Home / 5,218.51-7,201.50-2,860.64

Finding the Fourth Proportional to 5,218.51, 7,201.50 and 2,860.64

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Solution

The fourth proportional to 5,218.51, 7,201.50 and 2,860.64 is: 3,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.51 : 7,201.50 = 2,860.64 : x
  2. Step 2: Convert to fraction form
    5,218.51/7,201.50 = 2,860.64/x
  3. Step 3: Cross multiply
    5,218.51x = 7,201.50 × 2,860.64
  4. Step 4: Simplify right side
    5,218.51x = 20,600,898.96
  5. Step 5: Solve for x
    x = 20,600,898.96/5,218.51
  6. Step 6: Final answer
    x = 3,947.66

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