Home / 8,769.09-12,101.37-4,790.25

Finding the Fourth Proportional to 8,769.09, 12,101.37 and 4,790.25

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Solution

The fourth proportional to 8,769.09, 12,101.37 and 4,790.25 is: 6,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.09 : 12,101.37 = 4,790.25 : x
  2. Step 2: Convert to fraction form
    8,769.09/12,101.37 = 4,790.25/x
  3. Step 3: Cross multiply
    8,769.09x = 12,101.37 × 4,790.25
  4. Step 4: Simplify right side
    8,769.09x = 57,968,587.64
  5. Step 5: Solve for x
    x = 57,968,587.64/8,769.09
  6. Step 6: Final answer
    x = 6,610.56

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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.