Home / 8,078.56-11,148.34-4,541.79

Finding the Fourth Proportional to 8,078.56, 11,148.34 and 4,541.79

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Solution

The fourth proportional to 8,078.56, 11,148.34 and 4,541.79 is: 6,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.56 : 11,148.34 = 4,541.79 : x
  2. Step 2: Convert to fraction form
    8,078.56/11,148.34 = 4,541.79/x
  3. Step 3: Cross multiply
    8,078.56x = 11,148.34 × 4,541.79
  4. Step 4: Simplify right side
    8,078.56x = 50,633,419.13
  5. Step 5: Solve for x
    x = 50,633,419.13/8,078.56
  6. Step 6: Final answer
    x = 6,267.63

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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.