Home / 8,181.24-11,289.95-4,824.20

Finding the Fourth Proportional to 8,181.24, 11,289.95 and 4,824.20

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Solution

The fourth proportional to 8,181.24, 11,289.95 and 4,824.20 is: 6,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.24 : 11,289.95 = 4,824.20 : x
  2. Step 2: Convert to fraction form
    8,181.24/11,289.95 = 4,824.20/x
  3. Step 3: Cross multiply
    8,181.24x = 11,289.95 × 4,824.20
  4. Step 4: Simplify right side
    8,181.24x = 54,464,983.78
  5. Step 5: Solve for x
    x = 54,464,983.78/8,181.24
  6. Step 6: Final answer
    x = 6,657.30

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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.