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Finding the Fourth Proportional to 7,308.76, 10,959.16 and 3,559.27

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Solution

The fourth proportional to 7,308.76, 10,959.16 and 3,559.27 is: 5,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.76 : 10,959.16 = 3,559.27 : x
  2. Step 2: Convert to fraction form
    7,308.76/10,959.16 = 3,559.27/x
  3. Step 3: Cross multiply
    7,308.76x = 10,959.16 × 3,559.27
  4. Step 4: Simplify right side
    7,308.76x = 39,006,609.41
  5. Step 5: Solve for x
    x = 39,006,609.41/7,308.76
  6. Step 6: Final answer
    x = 5,336.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.