Home / 8,249.89-11,386.88-5,104.21

Finding the Fourth Proportional to 8,249.89, 11,386.88 and 5,104.21

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Solution

The fourth proportional to 8,249.89, 11,386.88 and 5,104.21 is: 7,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.89 : 11,386.88 = 5,104.21 : x
  2. Step 2: Convert to fraction form
    8,249.89/11,386.88 = 5,104.21/x
  3. Step 3: Cross multiply
    8,249.89x = 11,386.88 × 5,104.21
  4. Step 4: Simplify right side
    8,249.89x = 58,121,026.76
  5. Step 5: Solve for x
    x = 58,121,026.76/8,249.89
  6. Step 6: Final answer
    x = 7,045.07

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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.