Home / 8,181.05-11,289.60-4,824.08

Finding the Fourth Proportional to 8,181.05, 11,289.60 and 4,824.08

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Solution

The fourth proportional to 8,181.05, 11,289.60 and 4,824.08 is: 6,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.05 : 11,289.60 = 4,824.08 : x
  2. Step 2: Convert to fraction form
    8,181.05/11,289.60 = 4,824.08/x
  3. Step 3: Cross multiply
    8,181.05x = 11,289.60 × 4,824.08
  4. Step 4: Simplify right side
    8,181.05x = 54,461,877.12
  5. Step 5: Solve for x
    x = 54,461,877.12/8,181.05
  6. Step 6: Final answer
    x = 6,657.07

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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.