Home / 5,820.20-8,039.09-4,224.30

Finding the Fourth Proportional to 5,820.20, 8,039.09 and 4,224.30

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Solution

The fourth proportional to 5,820.20, 8,039.09 and 4,224.30 is: 5,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.20 : 8,039.09 = 4,224.30 : x
  2. Step 2: Convert to fraction form
    5,820.20/8,039.09 = 4,224.30/x
  3. Step 3: Cross multiply
    5,820.20x = 8,039.09 × 4,224.30
  4. Step 4: Simplify right side
    5,820.20x = 33,959,538.45
  5. Step 5: Solve for x
    x = 33,959,538.45/5,820.20
  6. Step 6: Final answer
    x = 5,834.77

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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.