Home / 7,489.48-11,243.94-5,759.32

Finding the Fourth Proportional to 7,489.48, 11,243.94 and 5,759.32

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Solution

The fourth proportional to 7,489.48, 11,243.94 and 5,759.32 is: 8,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.48 : 11,243.94 = 5,759.32 : x
  2. Step 2: Convert to fraction form
    7,489.48/11,243.94 = 5,759.32/x
  3. Step 3: Cross multiply
    7,489.48x = 11,243.94 × 5,759.32
  4. Step 4: Simplify right side
    7,489.48x = 64,757,448.52
  5. Step 5: Solve for x
    x = 64,757,448.52/7,489.48
  6. Step 6: Final answer
    x = 8,646.45

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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.