Home / 8,673.41-13,010.12-4,286.45

Finding the Fourth Proportional to 8,673.41, 13,010.12 and 4,286.45

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Solution

The fourth proportional to 8,673.41, 13,010.12 and 4,286.45 is: 6,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.41 : 13,010.12 = 4,286.45 : x
  2. Step 2: Convert to fraction form
    8,673.41/13,010.12 = 4,286.45/x
  3. Step 3: Cross multiply
    8,673.41x = 13,010.12 × 4,286.45
  4. Step 4: Simplify right side
    8,673.41x = 55,767,142.39
  5. Step 5: Solve for x
    x = 55,767,142.39/8,673.41
  6. Step 6: Final answer
    x = 6,429.67

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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.