Home / 8,241.09-12,349.08-5,280.35

Finding the Fourth Proportional to 8,241.09, 12,349.08 and 5,280.35

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Solution

The fourth proportional to 8,241.09, 12,349.08 and 5,280.35 is: 7,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.09 : 12,349.08 = 5,280.35 : x
  2. Step 2: Convert to fraction form
    8,241.09/12,349.08 = 5,280.35/x
  3. Step 3: Cross multiply
    8,241.09x = 12,349.08 × 5,280.35
  4. Step 4: Simplify right side
    8,241.09x = 65,207,402.83
  5. Step 5: Solve for x
    x = 65,207,402.83/8,241.09
  6. Step 6: Final answer
    x = 7,912.47

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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.