Home / 8,078.61-11,148.92-4,723.39

Finding the Fourth Proportional to 8,078.61, 11,148.92 and 4,723.39

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Solution

The fourth proportional to 8,078.61, 11,148.92 and 4,723.39 is: 6,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.61 : 11,148.92 = 4,723.39 : x
  2. Step 2: Convert to fraction form
    8,078.61/11,148.92 = 4,723.39/x
  3. Step 3: Cross multiply
    8,078.61x = 11,148.92 × 4,723.39
  4. Step 4: Simplify right side
    8,078.61x = 52,660,660.63
  5. Step 5: Solve for x
    x = 52,660,660.63/8,078.61
  6. Step 6: Final answer
    x = 6,518.53

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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.