Home / 8,203.32-11,321.04-6,210.72

Finding the Fourth Proportional to 8,203.32, 11,321.04 and 6,210.72

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Solution

The fourth proportional to 8,203.32, 11,321.04 and 6,210.72 is: 8,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.32 : 11,321.04 = 6,210.72 : x
  2. Step 2: Convert to fraction form
    8,203.32/11,321.04 = 6,210.72/x
  3. Step 3: Cross multiply
    8,203.32x = 11,321.04 × 6,210.72
  4. Step 4: Simplify right side
    8,203.32x = 70,311,809.55
  5. Step 5: Solve for x
    x = 70,311,809.55/8,203.32
  6. Step 6: Final answer
    x = 8,571.14

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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.