Home / 5,308.50-7,326.41-3,212.64

Finding the Fourth Proportional to 5,308.50, 7,326.41 and 3,212.64

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Solution

The fourth proportional to 5,308.50, 7,326.41 and 3,212.64 is: 4,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.50 : 7,326.41 = 3,212.64 : x
  2. Step 2: Convert to fraction form
    5,308.50/7,326.41 = 3,212.64/x
  3. Step 3: Cross multiply
    5,308.50x = 7,326.41 × 3,212.64
  4. Step 4: Simplify right side
    5,308.50x = 23,537,101.76
  5. Step 5: Solve for x
    x = 23,537,101.76/5,308.50
  6. Step 6: Final answer
    x = 4,433.85

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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.