Home / 5,913.98-8,871.18-2,215.82

Finding the Fourth Proportional to 5,913.98, 8,871.18 and 2,215.82

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Solution

The fourth proportional to 5,913.98, 8,871.18 and 2,215.82 is: 3,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.98 : 8,871.18 = 2,215.82 : x
  2. Step 2: Convert to fraction form
    5,913.98/8,871.18 = 2,215.82/x
  3. Step 3: Cross multiply
    5,913.98x = 8,871.18 × 2,215.82
  4. Step 4: Simplify right side
    5,913.98x = 19,656,938.07
  5. Step 5: Solve for x
    x = 19,656,938.07/5,913.98
  6. Step 6: Final answer
    x = 3,323.81

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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.