Home / 7,435.86-11,145.66-2,751.87

Finding the Fourth Proportional to 7,435.86, 11,145.66 and 2,751.87

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Solution

The fourth proportional to 7,435.86, 11,145.66 and 2,751.87 is: 4,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.86 : 11,145.66 = 2,751.87 : x
  2. Step 2: Convert to fraction form
    7,435.86/11,145.66 = 2,751.87/x
  3. Step 3: Cross multiply
    7,435.86x = 11,145.66 × 2,751.87
  4. Step 4: Simplify right side
    7,435.86x = 30,671,407.38
  5. Step 5: Solve for x
    x = 30,671,407.38/7,435.86
  6. Step 6: Final answer
    x = 4,124.80

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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.