Home / 8,203.22-11,320.90-6,210.26

Finding the Fourth Proportional to 8,203.22, 11,320.90 and 6,210.26

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Solution

The fourth proportional to 8,203.22, 11,320.90 and 6,210.26 is: 8,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.22 : 11,320.90 = 6,210.26 : x
  2. Step 2: Convert to fraction form
    8,203.22/11,320.90 = 6,210.26/x
  3. Step 3: Cross multiply
    8,203.22x = 11,320.90 × 6,210.26
  4. Step 4: Simplify right side
    8,203.22x = 70,305,732.43
  5. Step 5: Solve for x
    x = 70,305,732.43/8,203.22
  6. Step 6: Final answer
    x = 8,570.50

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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.