Home / 8,443.30-12,666.78-4,546.80

Finding the Fourth Proportional to 8,443.30, 12,666.78 and 4,546.80

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Solution

The fourth proportional to 8,443.30, 12,666.78 and 4,546.80 is: 6,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.30 : 12,666.78 = 4,546.80 : x
  2. Step 2: Convert to fraction form
    8,443.30/12,666.78 = 4,546.80/x
  3. Step 3: Cross multiply
    8,443.30x = 12,666.78 × 4,546.80
  4. Step 4: Simplify right side
    8,443.30x = 57,593,315.30
  5. Step 5: Solve for x
    x = 57,593,315.30/8,443.30
  6. Step 6: Final answer
    x = 6,821.19

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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.