Home / 8,149.33-11,246.80-4,790.46

Finding the Fourth Proportional to 8,149.33, 11,246.80 and 4,790.46

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Solution

The fourth proportional to 8,149.33, 11,246.80 and 4,790.46 is: 6,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.33 : 11,246.80 = 4,790.46 : x
  2. Step 2: Convert to fraction form
    8,149.33/11,246.80 = 4,790.46/x
  3. Step 3: Cross multiply
    8,149.33x = 11,246.80 × 4,790.46
  4. Step 4: Simplify right side
    8,149.33x = 53,877,345.53
  5. Step 5: Solve for x
    x = 53,877,345.53/8,149.33
  6. Step 6: Final answer
    x = 6,611.26

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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.