Home / 8,316.43-11,475.91-4,778.95

Finding the Fourth Proportional to 8,316.43, 11,475.91 and 4,778.95

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Solution

The fourth proportional to 8,316.43, 11,475.91 and 4,778.95 is: 6,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.43 : 11,475.91 = 4,778.95 : x
  2. Step 2: Convert to fraction form
    8,316.43/11,475.91 = 4,778.95/x
  3. Step 3: Cross multiply
    8,316.43x = 11,475.91 × 4,778.95
  4. Step 4: Simplify right side
    8,316.43x = 54,842,800.09
  5. Step 5: Solve for x
    x = 54,842,800.09/8,316.43
  6. Step 6: Final answer
    x = 6,594.51

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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.