Home / 6,520.33-8,998.98-3,688.57

Finding the Fourth Proportional to 6,520.33, 8,998.98 and 3,688.57

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Solution

The fourth proportional to 6,520.33, 8,998.98 and 3,688.57 is: 5,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.33 : 8,998.98 = 3,688.57 : x
  2. Step 2: Convert to fraction form
    6,520.33/8,998.98 = 3,688.57/x
  3. Step 3: Cross multiply
    6,520.33x = 8,998.98 × 3,688.57
  4. Step 4: Simplify right side
    6,520.33x = 33,193,367.66
  5. Step 5: Solve for x
    x = 33,193,367.66/6,520.33
  6. Step 6: Final answer
    x = 5,090.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.