Home / 6,449-8,899.56-3,654.52

Finding the Fourth Proportional to 6,449, 8,899.56 and 3,654.52

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Solution

The fourth proportional to 6,449, 8,899.56 and 3,654.52 is: 5,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449 : 8,899.56 = 3,654.52 : x
  2. Step 2: Convert to fraction form
    6,449/8,899.56 = 3,654.52/x
  3. Step 3: Cross multiply
    6,449x = 8,899.56 × 3,654.52
  4. Step 4: Simplify right side
    6,449x = 32,523,620.01
  5. Step 5: Solve for x
    x = 32,523,620.01/6,449
  6. Step 6: Final answer
    x = 5,043.20

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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.