Home / 4,380.48-6,528.60-4,195.80

Finding the Fourth Proportional to 4,380.48, 6,528.60 and 4,195.80

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Solution

The fourth proportional to 4,380.48, 6,528.60 and 4,195.80 is: 6,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.48 : 6,528.60 = 4,195.80 : x
  2. Step 2: Convert to fraction form
    4,380.48/6,528.60 = 4,195.80/x
  3. Step 3: Cross multiply
    4,380.48x = 6,528.60 × 4,195.80
  4. Step 4: Simplify right side
    4,380.48x = 27,392,699.88
  5. Step 5: Solve for x
    x = 27,392,699.88/4,380.48
  6. Step 6: Final answer
    x = 6,253.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.