Home / 8,305.03-12,456.32-2,758.25

Finding the Fourth Proportional to 8,305.03, 12,456.32 and 2,758.25

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Solution

The fourth proportional to 8,305.03, 12,456.32 and 2,758.25 is: 4,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.03 : 12,456.32 = 2,758.25 : x
  2. Step 2: Convert to fraction form
    8,305.03/12,456.32 = 2,758.25/x
  3. Step 3: Cross multiply
    8,305.03x = 12,456.32 × 2,758.25
  4. Step 4: Simplify right side
    8,305.03x = 34,357,582.36
  5. Step 5: Solve for x
    x = 34,357,582.36/8,305.03
  6. Step 6: Final answer
    x = 4,136.96

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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.