Home / 9,110.22-12,571.47-5,383.50

Finding the Fourth Proportional to 9,110.22, 12,571.47 and 5,383.50

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Solution

The fourth proportional to 9,110.22, 12,571.47 and 5,383.50 is: 7,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.22 : 12,571.47 = 5,383.50 : x
  2. Step 2: Convert to fraction form
    9,110.22/12,571.47 = 5,383.50/x
  3. Step 3: Cross multiply
    9,110.22x = 12,571.47 × 5,383.50
  4. Step 4: Simplify right side
    9,110.22x = 67,678,508.75
  5. Step 5: Solve for x
    x = 67,678,508.75/9,110.22
  6. Step 6: Final answer
    x = 7,428.86

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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.