Home / 8,603.42-12,896.01-3,675.38

Finding the Fourth Proportional to 8,603.42, 12,896.01 and 3,675.38

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Solution

The fourth proportional to 8,603.42, 12,896.01 and 3,675.38 is: 5,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.42 : 12,896.01 = 3,675.38 : x
  2. Step 2: Convert to fraction form
    8,603.42/12,896.01 = 3,675.38/x
  3. Step 3: Cross multiply
    8,603.42x = 12,896.01 × 3,675.38
  4. Step 4: Simplify right side
    8,603.42x = 47,397,672.75
  5. Step 5: Solve for x
    x = 47,397,672.75/8,603.42
  6. Step 6: Final answer
    x = 5,509.17

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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.