Home / 5,416.88-8,124.76-3,673.09

Finding the Fourth Proportional to 5,416.88, 8,124.76 and 3,673.09

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Solution

The fourth proportional to 5,416.88, 8,124.76 and 3,673.09 is: 5,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.88 : 8,124.76 = 3,673.09 : x
  2. Step 2: Convert to fraction form
    5,416.88/8,124.76 = 3,673.09/x
  3. Step 3: Cross multiply
    5,416.88x = 8,124.76 × 3,673.09
  4. Step 4: Simplify right side
    5,416.88x = 29,842,945.21
  5. Step 5: Solve for x
    x = 29,842,945.21/5,416.88
  6. Step 6: Final answer
    x = 5,509.25

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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.