Home / 5,329.06-8,008.72-3,609.70

Finding the Fourth Proportional to 5,329.06, 8,008.72 and 3,609.70

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Solution

The fourth proportional to 5,329.06, 8,008.72 and 3,609.70 is: 5,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.06 : 8,008.72 = 3,609.70 : x
  2. Step 2: Convert to fraction form
    5,329.06/8,008.72 = 3,609.70/x
  3. Step 3: Cross multiply
    5,329.06x = 8,008.72 × 3,609.70
  4. Step 4: Simplify right side
    5,329.06x = 28,909,076.58
  5. Step 5: Solve for x
    x = 28,909,076.58/5,329.06
  6. Step 6: Final answer
    x = 5,424.80

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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.