Home / 7,979.04-11,973.60-3,049.20

Finding the Fourth Proportional to 7,979.04, 11,973.60 and 3,049.20

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Solution

The fourth proportional to 7,979.04, 11,973.60 and 3,049.20 is: 4,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.04 : 11,973.60 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    7,979.04/11,973.60 = 3,049.20/x
  3. Step 3: Cross multiply
    7,979.04x = 11,973.60 × 3,049.20
  4. Step 4: Simplify right side
    7,979.04x = 36,509,901.12
  5. Step 5: Solve for x
    x = 36,509,901.12/7,979.04
  6. Step 6: Final answer
    x = 4,575.73

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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.