Home / 8,493.68-11,720.89-4,717.09

Finding the Fourth Proportional to 8,493.68, 11,720.89 and 4,717.09

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Solution

The fourth proportional to 8,493.68, 11,720.89 and 4,717.09 is: 6,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.68 : 11,720.89 = 4,717.09 : x
  2. Step 2: Convert to fraction form
    8,493.68/11,720.89 = 4,717.09/x
  3. Step 3: Cross multiply
    8,493.68x = 11,720.89 × 4,717.09
  4. Step 4: Simplify right side
    8,493.68x = 55,288,493.01
  5. Step 5: Solve for x
    x = 55,288,493.01/8,493.68
  6. Step 6: Final answer
    x = 6,509.37

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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.