Home / 8,180.52-11,287.99-4,643.05

Finding the Fourth Proportional to 8,180.52, 11,287.99 and 4,643.05

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Solution

The fourth proportional to 8,180.52, 11,287.99 and 4,643.05 is: 6,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.52 : 11,287.99 = 4,643.05 : x
  2. Step 2: Convert to fraction form
    8,180.52/11,287.99 = 4,643.05/x
  3. Step 3: Cross multiply
    8,180.52x = 11,287.99 × 4,643.05
  4. Step 4: Simplify right side
    8,180.52x = 52,410,701.97
  5. Step 5: Solve for x
    x = 52,410,701.97/8,180.52
  6. Step 6: Final answer
    x = 6,406.77

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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.