Home / 8,649.22-11,935.26-5,111.74

Finding the Fourth Proportional to 8,649.22, 11,935.26 and 5,111.74

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Solution

The fourth proportional to 8,649.22, 11,935.26 and 5,111.74 is: 7,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.22 : 11,935.26 = 5,111.74 : x
  2. Step 2: Convert to fraction form
    8,649.22/11,935.26 = 5,111.74/x
  3. Step 3: Cross multiply
    8,649.22x = 11,935.26 × 5,111.74
  4. Step 4: Simplify right side
    8,649.22x = 61,009,945.95
  5. Step 5: Solve for x
    x = 61,009,945.95/8,649.22
  6. Step 6: Final answer
    x = 7,053.81

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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.