Home / 4,215.45-6,323.87-1,876.26

Finding the Fourth Proportional to 4,215.45, 6,323.87 and 1,876.26

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Solution

The fourth proportional to 4,215.45, 6,323.87 and 1,876.26 is: 2,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.45 : 6,323.87 = 1,876.26 : x
  2. Step 2: Convert to fraction form
    4,215.45/6,323.87 = 1,876.26/x
  3. Step 3: Cross multiply
    4,215.45x = 6,323.87 × 1,876.26
  4. Step 4: Simplify right side
    4,215.45x = 11,865,224.33
  5. Step 5: Solve for x
    x = 11,865,224.33/4,215.45
  6. Step 6: Final answer
    x = 2,814.70

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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.