Home / 8,318.99-11,480.25-4,542.23

Finding the Fourth Proportional to 8,318.99, 11,480.25 and 4,542.23

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Solution

The fourth proportional to 8,318.99, 11,480.25 and 4,542.23 is: 6,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.99 : 11,480.25 = 4,542.23 : x
  2. Step 2: Convert to fraction form
    8,318.99/11,480.25 = 4,542.23/x
  3. Step 3: Cross multiply
    8,318.99x = 11,480.25 × 4,542.23
  4. Step 4: Simplify right side
    8,318.99x = 52,145,913.25
  5. Step 5: Solve for x
    x = 52,145,913.25/8,318.99
  6. Step 6: Final answer
    x = 6,268.30

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Double scale
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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.