Home / 8,213.24-11,330.10-5,559.68

Finding the Fourth Proportional to 8,213.24, 11,330.10 and 5,559.68

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Solution

The fourth proportional to 8,213.24, 11,330.10 and 5,559.68 is: 7,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.24 : 11,330.10 = 5,559.68 : x
  2. Step 2: Convert to fraction form
    8,213.24/11,330.10 = 5,559.68/x
  3. Step 3: Cross multiply
    8,213.24x = 11,330.10 × 5,559.68
  4. Step 4: Simplify right side
    8,213.24x = 62,991,730.37
  5. Step 5: Solve for x
    x = 62,991,730.37/8,213.24
  6. Step 6: Final answer
    x = 7,669.53

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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.