Home / 8,319.08-11,480.36-4,542.28

Finding the Fourth Proportional to 8,319.08, 11,480.36 and 4,542.28

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Solution

The fourth proportional to 8,319.08, 11,480.36 and 4,542.28 is: 6,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.08 : 11,480.36 = 4,542.28 : x
  2. Step 2: Convert to fraction form
    8,319.08/11,480.36 = 4,542.28/x
  3. Step 3: Cross multiply
    8,319.08x = 11,480.36 × 4,542.28
  4. Step 4: Simplify right side
    8,319.08x = 52,147,009.62
  5. Step 5: Solve for x
    x = 52,147,009.62/8,319.08
  6. Step 6: Final answer
    x = 6,268.36

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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.