Home / 6,388.08-9,576.36-4,441.20

Finding the Fourth Proportional to 6,388.08, 9,576.36 and 4,441.20

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Solution

The fourth proportional to 6,388.08, 9,576.36 and 4,441.20 is: 6,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.08 : 9,576.36 = 4,441.20 : x
  2. Step 2: Convert to fraction form
    6,388.08/9,576.36 = 4,441.20/x
  3. Step 3: Cross multiply
    6,388.08x = 9,576.36 × 4,441.20
  4. Step 4: Simplify right side
    6,388.08x = 42,530,530.03
  5. Step 5: Solve for x
    x = 42,530,530.03/6,388.08
  6. Step 6: Final answer
    x = 6,657.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.