Home / 4,155.33-6,230.93-1,381.03

Finding the Fourth Proportional to 4,155.33, 6,230.93 and 1,381.03

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Solution

The fourth proportional to 4,155.33, 6,230.93 and 1,381.03 is: 2,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.33 : 6,230.93 = 1,381.03 : x
  2. Step 2: Convert to fraction form
    4,155.33/6,230.93 = 1,381.03/x
  3. Step 3: Cross multiply
    4,155.33x = 6,230.93 × 1,381.03
  4. Step 4: Simplify right side
    4,155.33x = 8,605,113.82
  5. Step 5: Solve for x
    x = 8,605,113.82/4,155.33
  6. Step 6: Final answer
    x = 2,070.86

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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.