Home / 5,913.66-8,871.30-2,214.78

Finding the Fourth Proportional to 5,913.66, 8,871.30 and 2,214.78

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Solution

The fourth proportional to 5,913.66, 8,871.30 and 2,214.78 is: 3,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.66 : 8,871.30 = 2,214.78 : x
  2. Step 2: Convert to fraction form
    5,913.66/8,871.30 = 2,214.78/x
  3. Step 3: Cross multiply
    5,913.66x = 8,871.30 × 2,214.78
  4. Step 4: Simplify right side
    5,913.66x = 19,647,977.81
  5. Step 5: Solve for x
    x = 19,647,977.81/5,913.66
  6. Step 6: Final answer
    x = 3,322.47

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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.