Home / 8,580.48-12,868.80-2,736

Finding the Fourth Proportional to 8,580.48, 12,868.80 and 2,736

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Solution

The fourth proportional to 8,580.48, 12,868.80 and 2,736 is: 4,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.48 : 12,868.80 = 2,736 : x
  2. Step 2: Convert to fraction form
    8,580.48/12,868.80 = 2,736/x
  3. Step 3: Cross multiply
    8,580.48x = 12,868.80 × 2,736
  4. Step 4: Simplify right side
    8,580.48x = 35,209,036.80
  5. Step 5: Solve for x
    x = 35,209,036.80/8,580.48
  6. Step 6: Final answer
    x = 4,103.39

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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.