Home / 8,554.09-12,828.57-3,006.40

Finding the Fourth Proportional to 8,554.09, 12,828.57 and 3,006.40

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Solution

The fourth proportional to 8,554.09, 12,828.57 and 3,006.40 is: 4,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.09 : 12,828.57 = 3,006.40 : x
  2. Step 2: Convert to fraction form
    8,554.09/12,828.57 = 3,006.40/x
  3. Step 3: Cross multiply
    8,554.09x = 12,828.57 × 3,006.40
  4. Step 4: Simplify right side
    8,554.09x = 38,567,812.85
  5. Step 5: Solve for x
    x = 38,567,812.85/8,554.09
  6. Step 6: Final answer
    x = 4,508.70

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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.