Home / 8,180.36-11,288.76-4,823.30

Finding the Fourth Proportional to 8,180.36, 11,288.76 and 4,823.30

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Solution

The fourth proportional to 8,180.36, 11,288.76 and 4,823.30 is: 6,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.36 : 11,288.76 = 4,823.30 : x
  2. Step 2: Convert to fraction form
    8,180.36/11,288.76 = 4,823.30/x
  3. Step 3: Cross multiply
    8,180.36x = 11,288.76 × 4,823.30
  4. Step 4: Simplify right side
    8,180.36x = 54,449,076.11
  5. Step 5: Solve for x
    x = 54,449,076.11/8,180.36
  6. Step 6: Final answer
    x = 6,656.07

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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.