Home / 7,435.98-11,156.80-3,489.38

Finding the Fourth Proportional to 7,435.98, 11,156.80 and 3,489.38

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Solution

The fourth proportional to 7,435.98, 11,156.80 and 3,489.38 is: 5,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.98 : 11,156.80 = 3,489.38 : x
  2. Step 2: Convert to fraction form
    7,435.98/11,156.80 = 3,489.38/x
  3. Step 3: Cross multiply
    7,435.98x = 11,156.80 × 3,489.38
  4. Step 4: Simplify right side
    7,435.98x = 38,930,314.78
  5. Step 5: Solve for x
    x = 38,930,314.78/7,435.98
  6. Step 6: Final answer
    x = 5,235.40

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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.