Home / 5,490.42-8,187.96-5,299.08

Finding the Fourth Proportional to 5,490.42, 8,187.96 and 5,299.08

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Solution

The fourth proportional to 5,490.42, 8,187.96 and 5,299.08 is: 7,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.42 : 8,187.96 = 5,299.08 : x
  2. Step 2: Convert to fraction form
    5,490.42/8,187.96 = 5,299.08/x
  3. Step 3: Cross multiply
    5,490.42x = 8,187.96 × 5,299.08
  4. Step 4: Simplify right side
    5,490.42x = 43,388,655.08
  5. Step 5: Solve for x
    x = 43,388,655.08/5,490.42
  6. Step 6: Final answer
    x = 7,902.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.