Home / 7,968.55-10,995.88-4,382.79

Finding the Fourth Proportional to 7,968.55, 10,995.88 and 4,382.79

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Solution

The fourth proportional to 7,968.55, 10,995.88 and 4,382.79 is: 6,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.55 : 10,995.88 = 4,382.79 : x
  2. Step 2: Convert to fraction form
    7,968.55/10,995.88 = 4,382.79/x
  3. Step 3: Cross multiply
    7,968.55x = 10,995.88 × 4,382.79
  4. Step 4: Simplify right side
    7,968.55x = 48,192,632.91
  5. Step 5: Solve for x
    x = 48,192,632.91/7,968.55
  6. Step 6: Final answer
    x = 6,047.85

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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.