Home / 8,786.76-12,127.14-5,010

Finding the Fourth Proportional to 8,786.76, 12,127.14 and 5,010

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Solution

The fourth proportional to 8,786.76, 12,127.14 and 5,010 is: 6,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.76 : 12,127.14 = 5,010 : x
  2. Step 2: Convert to fraction form
    8,786.76/12,127.14 = 5,010/x
  3. Step 3: Cross multiply
    8,786.76x = 12,127.14 × 5,010
  4. Step 4: Simplify right side
    8,786.76x = 60,756,971.40
  5. Step 5: Solve for x
    x = 60,756,971.40/8,786.76
  6. Step 6: Final answer
    x = 6,914.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.