Home / 5,214.65-7,195.91-2,856.33

Finding the Fourth Proportional to 5,214.65, 7,195.91 and 2,856.33

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Solution

The fourth proportional to 5,214.65, 7,195.91 and 2,856.33 is: 3,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.65 : 7,195.91 = 2,856.33 : x
  2. Step 2: Convert to fraction form
    5,214.65/7,195.91 = 2,856.33/x
  3. Step 3: Cross multiply
    5,214.65x = 7,195.91 × 2,856.33
  4. Step 4: Simplify right side
    5,214.65x = 20,553,879.33
  5. Step 5: Solve for x
    x = 20,553,879.33/5,214.65
  6. Step 6: Final answer
    x = 3,941.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.