Home / 8,320.32-11,481.21-4,784.67

Finding the Fourth Proportional to 8,320.32, 11,481.21 and 4,784.67

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Solution

The fourth proportional to 8,320.32, 11,481.21 and 4,784.67 is: 6,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.32 : 11,481.21 = 4,784.67 : x
  2. Step 2: Convert to fraction form
    8,320.32/11,481.21 = 4,784.67/x
  3. Step 3: Cross multiply
    8,320.32x = 11,481.21 × 4,784.67
  4. Step 4: Simplify right side
    8,320.32x = 54,933,801.05
  5. Step 5: Solve for x
    x = 54,933,801.05/8,320.32
  6. Step 6: Final answer
    x = 6,602.37

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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.