Home / 8,937.81-13,400.64-4,546.80

Finding the Fourth Proportional to 8,937.81, 13,400.64 and 4,546.80

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Solution

The fourth proportional to 8,937.81, 13,400.64 and 4,546.80 is: 6,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.81 : 13,400.64 = 4,546.80 : x
  2. Step 2: Convert to fraction form
    8,937.81/13,400.64 = 4,546.80/x
  3. Step 3: Cross multiply
    8,937.81x = 13,400.64 × 4,546.80
  4. Step 4: Simplify right side
    8,937.81x = 60,930,029.95
  5. Step 5: Solve for x
    x = 60,930,029.95/8,937.81
  6. Step 6: Final answer
    x = 6,817.11

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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.