Home / 3,626.15-5,005.28-3,308.99

Finding the Fourth Proportional to 3,626.15, 5,005.28 and 3,308.99

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Solution

The fourth proportional to 3,626.15, 5,005.28 and 3,308.99 is: 4,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.15 : 5,005.28 = 3,308.99 : x
  2. Step 2: Convert to fraction form
    3,626.15/5,005.28 = 3,308.99/x
  3. Step 3: Cross multiply
    3,626.15x = 5,005.28 × 3,308.99
  4. Step 4: Simplify right side
    3,626.15x = 16,562,421.47
  5. Step 5: Solve for x
    x = 16,562,421.47/3,626.15
  6. Step 6: Final answer
    x = 4,567.49

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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.