Home / 6,422.08-9,628.80-3,497.60

Finding the Fourth Proportional to 6,422.08, 9,628.80 and 3,497.60

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Solution

The fourth proportional to 6,422.08, 9,628.80 and 3,497.60 is: 5,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.08 : 9,628.80 = 3,497.60 : x
  2. Step 2: Convert to fraction form
    6,422.08/9,628.80 = 3,497.60/x
  3. Step 3: Cross multiply
    6,422.08x = 9,628.80 × 3,497.60
  4. Step 4: Simplify right side
    6,422.08x = 33,677,690.88
  5. Step 5: Solve for x
    x = 33,677,690.88/6,422.08
  6. Step 6: Final answer
    x = 5,244.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.