Home / 6,918.76-10,379.50-2,239.94

Finding the Fourth Proportional to 6,918.76, 10,379.50 and 2,239.94

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Solution

The fourth proportional to 6,918.76, 10,379.50 and 2,239.94 is: 3,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.76 : 10,379.50 = 2,239.94 : x
  2. Step 2: Convert to fraction form
    6,918.76/10,379.50 = 2,239.94/x
  3. Step 3: Cross multiply
    6,918.76x = 10,379.50 × 2,239.94
  4. Step 4: Simplify right side
    6,918.76x = 23,249,457.23
  5. Step 5: Solve for x
    x = 23,249,457.23/6,918.76
  6. Step 6: Final answer
    x = 3,360.35

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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.