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Finding the Fourth Proportional to 8,124.40, 11,212.41 and 5,101.71

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Solution

The fourth proportional to 8,124.40, 11,212.41 and 5,101.71 is: 7,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.40 : 11,212.41 = 5,101.71 : x
  2. Step 2: Convert to fraction form
    8,124.40/11,212.41 = 5,101.71/x
  3. Step 3: Cross multiply
    8,124.40x = 11,212.41 × 5,101.71
  4. Step 4: Simplify right side
    8,124.40x = 57,202,464.22
  5. Step 5: Solve for x
    x = 57,202,464.22/8,124.40
  6. Step 6: Final answer
    x = 7,040.82

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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.