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Finding the Fourth Proportional to 8,396.76, 12,595.16 and 3,774.36

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Solution

The fourth proportional to 8,396.76, 12,595.16 and 3,774.36 is: 5,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.76 : 12,595.16 = 3,774.36 : x
  2. Step 2: Convert to fraction form
    8,396.76/12,595.16 = 3,774.36/x
  3. Step 3: Cross multiply
    8,396.76x = 12,595.16 × 3,774.36
  4. Step 4: Simplify right side
    8,396.76x = 47,538,668.10
  5. Step 5: Solve for x
    x = 47,538,668.10/8,396.76
  6. Step 6: Final answer
    x = 5,661.55

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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.