Home / 8,736.77-13,106.07-5,038.92

Finding the Fourth Proportional to 8,736.77, 13,106.07 and 5,038.92

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Solution

The fourth proportional to 8,736.77, 13,106.07 and 5,038.92 is: 7,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.77 : 13,106.07 = 5,038.92 : x
  2. Step 2: Convert to fraction form
    8,736.77/13,106.07 = 5,038.92/x
  3. Step 3: Cross multiply
    8,736.77x = 13,106.07 × 5,038.92
  4. Step 4: Simplify right side
    8,736.77x = 66,040,372.71
  5. Step 5: Solve for x
    x = 66,040,372.71/8,736.77
  6. Step 6: Final answer
    x = 7,558.90

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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.