Home / 6,449.30-9,674.40-2,553.20

Finding the Fourth Proportional to 6,449.30, 9,674.40 and 2,553.20

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Solution

The fourth proportional to 6,449.30, 9,674.40 and 2,553.20 is: 3,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.30 : 9,674.40 = 2,553.20 : x
  2. Step 2: Convert to fraction form
    6,449.30/9,674.40 = 2,553.20/x
  3. Step 3: Cross multiply
    6,449.30x = 9,674.40 × 2,553.20
  4. Step 4: Simplify right side
    6,449.30x = 24,700,678.08
  5. Step 5: Solve for x
    x = 24,700,678.08/6,449.30
  6. Step 6: Final answer
    x = 3,829.98

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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.