Home / 8,349.50-12,530.60-3,089.49

Finding the Fourth Proportional to 8,349.50, 12,530.60 and 3,089.49

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Solution

The fourth proportional to 8,349.50, 12,530.60 and 3,089.49 is: 4,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.50 : 12,530.60 = 3,089.49 : x
  2. Step 2: Convert to fraction form
    8,349.50/12,530.60 = 3,089.49/x
  3. Step 3: Cross multiply
    8,349.50x = 12,530.60 × 3,089.49
  4. Step 4: Simplify right side
    8,349.50x = 38,713,163.39
  5. Step 5: Solve for x
    x = 38,713,163.39/8,349.50
  6. Step 6: Final answer
    x = 4,636.58

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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.