Home / 5,555.42-8,334.96-2,271.28

Finding the Fourth Proportional to 5,555.42, 8,334.96 and 2,271.28

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Solution

The fourth proportional to 5,555.42, 8,334.96 and 2,271.28 is: 3,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.42 : 8,334.96 = 2,271.28 : x
  2. Step 2: Convert to fraction form
    5,555.42/8,334.96 = 2,271.28/x
  3. Step 3: Cross multiply
    5,555.42x = 8,334.96 × 2,271.28
  4. Step 4: Simplify right side
    5,555.42x = 18,930,974.92
  5. Step 5: Solve for x
    x = 18,930,974.92/5,555.42
  6. Step 6: Final answer
    x = 3,407.66

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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.