Home / 8,148.32-11,244.69-4,422.32

Finding the Fourth Proportional to 8,148.32, 11,244.69 and 4,422.32

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Solution

The fourth proportional to 8,148.32, 11,244.69 and 4,422.32 is: 6,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.32 : 11,244.69 = 4,422.32 : x
  2. Step 2: Convert to fraction form
    8,148.32/11,244.69 = 4,422.32/x
  3. Step 3: Cross multiply
    8,148.32x = 11,244.69 × 4,422.32
  4. Step 4: Simplify right side
    8,148.32x = 49,727,539.15
  5. Step 5: Solve for x
    x = 49,727,539.15/8,148.32
  6. Step 6: Final answer
    x = 6,102.80

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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.