Home / 7,365.42-11,047.98-2,979.78

Finding the Fourth Proportional to 7,365.42, 11,047.98 and 2,979.78

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Solution

The fourth proportional to 7,365.42, 11,047.98 and 2,979.78 is: 4,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.42 : 11,047.98 = 2,979.78 : x
  2. Step 2: Convert to fraction form
    7,365.42/11,047.98 = 2,979.78/x
  3. Step 3: Cross multiply
    7,365.42x = 11,047.98 × 2,979.78
  4. Step 4: Simplify right side
    7,365.42x = 32,920,549.84
  5. Step 5: Solve for x
    x = 32,920,549.84/7,365.42
  6. Step 6: Final answer
    x = 4,469.61

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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.