Home / 5,503.68-8,240.93-3,309.39

Finding the Fourth Proportional to 5,503.68, 8,240.93 and 3,309.39

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Solution

The fourth proportional to 5,503.68, 8,240.93 and 3,309.39 is: 4,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.68 : 8,240.93 = 3,309.39 : x
  2. Step 2: Convert to fraction form
    5,503.68/8,240.93 = 3,309.39/x
  3. Step 3: Cross multiply
    5,503.68x = 8,240.93 × 3,309.39
  4. Step 4: Simplify right side
    5,503.68x = 27,272,451.33
  5. Step 5: Solve for x
    x = 27,272,451.33/5,503.68
  6. Step 6: Final answer
    x = 4,955.31

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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.