Home / 5,913.68-8,871.08-2,218.55

Finding the Fourth Proportional to 5,913.68, 8,871.08 and 2,218.55

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Solution

The fourth proportional to 5,913.68, 8,871.08 and 2,218.55 is: 3,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.68 : 8,871.08 = 2,218.55 : x
  2. Step 2: Convert to fraction form
    5,913.68/8,871.08 = 2,218.55/x
  3. Step 3: Cross multiply
    5,913.68x = 8,871.08 × 2,218.55
  4. Step 4: Simplify right side
    5,913.68x = 19,680,879.09
  5. Step 5: Solve for x
    x = 19,680,879.09/5,913.68
  6. Step 6: Final answer
    x = 3,328.03

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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.