Home / 8,053.62-12,078.56-2,210.70

Finding the Fourth Proportional to 8,053.62, 12,078.56 and 2,210.70

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Solution

The fourth proportional to 8,053.62, 12,078.56 and 2,210.70 is: 3,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.62 : 12,078.56 = 2,210.70 : x
  2. Step 2: Convert to fraction form
    8,053.62/12,078.56 = 2,210.70/x
  3. Step 3: Cross multiply
    8,053.62x = 12,078.56 × 2,210.70
  4. Step 4: Simplify right side
    8,053.62x = 26,702,072.59
  5. Step 5: Solve for x
    x = 26,702,072.59/8,053.62
  6. Step 6: Final answer
    x = 3,315.54

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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.