Home / 7,918.34-11,878.77-2,723

Finding the Fourth Proportional to 7,918.34, 11,878.77 and 2,723

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Solution

The fourth proportional to 7,918.34, 11,878.77 and 2,723 is: 4,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.34 : 11,878.77 = 2,723 : x
  2. Step 2: Convert to fraction form
    7,918.34/11,878.77 = 2,723/x
  3. Step 3: Cross multiply
    7,918.34x = 11,878.77 × 2,723
  4. Step 4: Simplify right side
    7,918.34x = 32,345,890.71
  5. Step 5: Solve for x
    x = 32,345,890.71/7,918.34
  6. Step 6: Final answer
    x = 4,084.93

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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.