Home / 5,814.54-8,721.77-1,918.94

Finding the Fourth Proportional to 5,814.54, 8,721.77 and 1,918.94

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Solution

The fourth proportional to 5,814.54, 8,721.77 and 1,918.94 is: 2,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.54 : 8,721.77 = 1,918.94 : x
  2. Step 2: Convert to fraction form
    5,814.54/8,721.77 = 1,918.94/x
  3. Step 3: Cross multiply
    5,814.54x = 8,721.77 × 1,918.94
  4. Step 4: Simplify right side
    5,814.54x = 16,736,500.12
  5. Step 5: Solve for x
    x = 16,736,500.12/5,814.54
  6. Step 6: Final answer
    x = 2,878.39

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1.5x scale

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.