Home / 8,184.58-11,299.01-6,388.20

Finding the Fourth Proportional to 8,184.58, 11,299.01 and 6,388.20

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Solution

The fourth proportional to 8,184.58, 11,299.01 and 6,388.20 is: 8,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.58 : 11,299.01 = 6,388.20 : x
  2. Step 2: Convert to fraction form
    8,184.58/11,299.01 = 6,388.20/x
  3. Step 3: Cross multiply
    8,184.58x = 11,299.01 × 6,388.20
  4. Step 4: Simplify right side
    8,184.58x = 72,180,303.74
  5. Step 5: Solve for x
    x = 72,180,303.74/8,184.58
  6. Step 6: Final answer
    x = 8,819.06

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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.