Home / 9,187.88-12,679.36-4,996.22

Finding the Fourth Proportional to 9,187.88, 12,679.36 and 4,996.22

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Solution

The fourth proportional to 9,187.88, 12,679.36 and 4,996.22 is: 6,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.88 : 12,679.36 = 4,996.22 : x
  2. Step 2: Convert to fraction form
    9,187.88/12,679.36 = 4,996.22/x
  3. Step 3: Cross multiply
    9,187.88x = 12,679.36 × 4,996.22
  4. Step 4: Simplify right side
    9,187.88x = 63,348,796.13
  5. Step 5: Solve for x
    x = 63,348,796.13/9,187.88
  6. Step 6: Final answer
    x = 6,894.83

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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.