Home / 8,319.20-11,480.44-4,542.36

Finding the Fourth Proportional to 8,319.20, 11,480.44 and 4,542.36

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Solution

The fourth proportional to 8,319.20, 11,480.44 and 4,542.36 is: 6,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.20 : 11,480.44 = 4,542.36 : x
  2. Step 2: Convert to fraction form
    8,319.20/11,480.44 = 4,542.36/x
  3. Step 3: Cross multiply
    8,319.20x = 11,480.44 × 4,542.36
  4. Step 4: Simplify right side
    8,319.20x = 52,148,303.74
  5. Step 5: Solve for x
    x = 52,148,303.74/8,319.20
  6. Step 6: Final answer
    x = 6,268.43

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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.