Home / 6,422.30-9,633.45-4,308.20

Finding the Fourth Proportional to 6,422.30, 9,633.45 and 4,308.20

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Solution

The fourth proportional to 6,422.30, 9,633.45 and 4,308.20 is: 6,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.30 : 9,633.45 = 4,308.20 : x
  2. Step 2: Convert to fraction form
    6,422.30/9,633.45 = 4,308.20/x
  3. Step 3: Cross multiply
    6,422.30x = 9,633.45 × 4,308.20
  4. Step 4: Simplify right side
    6,422.30x = 41,502,829.29
  5. Step 5: Solve for x
    x = 41,502,829.29/6,422.30
  6. Step 6: Final answer
    x = 6,462.30

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Similar ratio
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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.