Home / 8,813.23-13,219.54-3,546.61

Finding the Fourth Proportional to 8,813.23, 13,219.54 and 3,546.61

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Solution

The fourth proportional to 8,813.23, 13,219.54 and 3,546.61 is: 5,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.23 : 13,219.54 = 3,546.61 : x
  2. Step 2: Convert to fraction form
    8,813.23/13,219.54 = 3,546.61/x
  3. Step 3: Cross multiply
    8,813.23x = 13,219.54 × 3,546.61
  4. Step 4: Simplify right side
    8,813.23x = 46,884,510.84
  5. Step 5: Solve for x
    x = 46,884,510.84/8,813.23
  6. Step 6: Final answer
    x = 5,319.79

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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.