Home / 8,738.15-13,110.26-2,895.21

Finding the Fourth Proportional to 8,738.15, 13,110.26 and 2,895.21

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Solution

The fourth proportional to 8,738.15, 13,110.26 and 2,895.21 is: 4,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.15 : 13,110.26 = 2,895.21 : x
  2. Step 2: Convert to fraction form
    8,738.15/13,110.26 = 2,895.21/x
  3. Step 3: Cross multiply
    8,738.15x = 13,110.26 × 2,895.21
  4. Step 4: Simplify right side
    8,738.15x = 37,956,941.38
  5. Step 5: Solve for x
    x = 37,956,941.38/8,738.15
  6. Step 6: Final answer
    x = 4,343.82

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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.