Home / 8,373.21-12,559.41-3,109.25

Finding the Fourth Proportional to 8,373.21, 12,559.41 and 3,109.25

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Solution

The fourth proportional to 8,373.21, 12,559.41 and 3,109.25 is: 4,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.21 : 12,559.41 = 3,109.25 : x
  2. Step 2: Convert to fraction form
    8,373.21/12,559.41 = 3,109.25/x
  3. Step 3: Cross multiply
    8,373.21x = 12,559.41 × 3,109.25
  4. Step 4: Simplify right side
    8,373.21x = 39,050,345.54
  5. Step 5: Solve for x
    x = 39,050,345.54/8,373.21
  6. Step 6: Final answer
    x = 4,663.72

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Similar ratio
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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.