Home / 8,272.23-12,404.76-3,005.49

Finding the Fourth Proportional to 8,272.23, 12,404.76 and 3,005.49

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Solution

The fourth proportional to 8,272.23, 12,404.76 and 3,005.49 is: 4,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.23 : 12,404.76 = 3,005.49 : x
  2. Step 2: Convert to fraction form
    8,272.23/12,404.76 = 3,005.49/x
  3. Step 3: Cross multiply
    8,272.23x = 12,404.76 × 3,005.49
  4. Step 4: Simplify right side
    8,272.23x = 37,282,382.13
  5. Step 5: Solve for x
    x = 37,282,382.13/8,272.23
  6. Step 6: Final answer
    x = 4,506.93

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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.