Home / 8,555.80-12,829.76-3,554.58

Finding the Fourth Proportional to 8,555.80, 12,829.76 and 3,554.58

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Solution

The fourth proportional to 8,555.80, 12,829.76 and 3,554.58 is: 5,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.80 : 12,829.76 = 3,554.58 : x
  2. Step 2: Convert to fraction form
    8,555.80/12,829.76 = 3,554.58/x
  3. Step 3: Cross multiply
    8,555.80x = 12,829.76 × 3,554.58
  4. Step 4: Simplify right side
    8,555.80x = 45,604,408.30
  5. Step 5: Solve for x
    x = 45,604,408.30/8,555.80
  6. Step 6: Final answer
    x = 5,330.23

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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.