Home / 8,078.07-11,147.45-4,541.61

Finding the Fourth Proportional to 8,078.07, 11,147.45 and 4,541.61

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Solution

The fourth proportional to 8,078.07, 11,147.45 and 4,541.61 is: 6,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.07 : 11,147.45 = 4,541.61 : x
  2. Step 2: Convert to fraction form
    8,078.07/11,147.45 = 4,541.61/x
  3. Step 3: Cross multiply
    8,078.07x = 11,147.45 × 4,541.61
  4. Step 4: Simplify right side
    8,078.07x = 50,627,347.69
  5. Step 5: Solve for x
    x = 50,627,347.69/8,078.07
  6. Step 6: Final answer
    x = 6,267.26

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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.