Home / 8,202.13-11,319.30-4,618.32

Finding the Fourth Proportional to 8,202.13, 11,319.30 and 4,618.32

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Solution

The fourth proportional to 8,202.13, 11,319.30 and 4,618.32 is: 6,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.13 : 11,319.30 = 4,618.32 : x
  2. Step 2: Convert to fraction form
    8,202.13/11,319.30 = 4,618.32/x
  3. Step 3: Cross multiply
    8,202.13x = 11,319.30 × 4,618.32
  4. Step 4: Simplify right side
    8,202.13x = 52,276,115.79
  5. Step 5: Solve for x
    x = 52,276,115.79/8,202.13
  6. Step 6: Final answer
    x = 6,373.48

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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.