Home / 8,209.44-12,316.80-3,527.04

Finding the Fourth Proportional to 8,209.44, 12,316.80 and 3,527.04

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Solution

The fourth proportional to 8,209.44, 12,316.80 and 3,527.04 is: 5,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.44 : 12,316.80 = 3,527.04 : x
  2. Step 2: Convert to fraction form
    8,209.44/12,316.80 = 3,527.04/x
  3. Step 3: Cross multiply
    8,209.44x = 12,316.80 × 3,527.04
  4. Step 4: Simplify right side
    8,209.44x = 43,441,846.27
  5. Step 5: Solve for x
    x = 43,441,846.27/8,209.44
  6. Step 6: Final answer
    x = 5,291.69

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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.