Home / 5,814.52-8,723.14-1,918.92

Finding the Fourth Proportional to 5,814.52, 8,723.14 and 1,918.92

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Solution

The fourth proportional to 5,814.52, 8,723.14 and 1,918.92 is: 2,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.52 : 8,723.14 = 1,918.92 : x
  2. Step 2: Convert to fraction form
    5,814.52/8,723.14 = 1,918.92/x
  3. Step 3: Cross multiply
    5,814.52x = 8,723.14 × 1,918.92
  4. Step 4: Simplify right side
    5,814.52x = 16,739,003.01
  5. Step 5: Solve for x
    x = 16,739,003.01/5,814.52
  6. Step 6: Final answer
    x = 2,878.83

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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.