Home / 8,001.09-12,001.67-2,806.97

Finding the Fourth Proportional to 8,001.09, 12,001.67 and 2,806.97

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Solution

The fourth proportional to 8,001.09, 12,001.67 and 2,806.97 is: 4,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.09 : 12,001.67 = 2,806.97 : x
  2. Step 2: Convert to fraction form
    8,001.09/12,001.67 = 2,806.97/x
  3. Step 3: Cross multiply
    8,001.09x = 12,001.67 × 2,806.97
  4. Step 4: Simplify right side
    8,001.09x = 33,688,253.60
  5. Step 5: Solve for x
    x = 33,688,253.60/8,001.09
  6. Step 6: Final answer
    x = 4,210.46

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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.