Home / 9,259.06-13,879.68-3,412.48

Finding the Fourth Proportional to 9,259.06, 13,879.68 and 3,412.48

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Solution

The fourth proportional to 9,259.06, 13,879.68 and 3,412.48 is: 5,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.06 : 13,879.68 = 3,412.48 : x
  2. Step 2: Convert to fraction form
    9,259.06/13,879.68 = 3,412.48/x
  3. Step 3: Cross multiply
    9,259.06x = 13,879.68 × 3,412.48
  4. Step 4: Simplify right side
    9,259.06x = 47,364,130.41
  5. Step 5: Solve for x
    x = 47,364,130.41/9,259.06
  6. Step 6: Final answer
    x = 5,115.44

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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.