Home / 5,814.20-8,721.26-1,918.92

Finding the Fourth Proportional to 5,814.20, 8,721.26 and 1,918.92

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Solution

The fourth proportional to 5,814.20, 8,721.26 and 1,918.92 is: 2,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.20 : 8,721.26 = 1,918.92 : x
  2. Step 2: Convert to fraction form
    5,814.20/8,721.26 = 1,918.92/x
  3. Step 3: Cross multiply
    5,814.20x = 8,721.26 × 1,918.92
  4. Step 4: Simplify right side
    5,814.20x = 16,735,400.24
  5. Step 5: Solve for x
    x = 16,735,400.24/5,814.20
  6. Step 6: Final answer
    x = 2,878.37

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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.