Home / 7,945.75-10,962.30-4,960.45

Finding the Fourth Proportional to 7,945.75, 10,962.30 and 4,960.45

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Solution

The fourth proportional to 7,945.75, 10,962.30 and 4,960.45 is: 6,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.75 : 10,962.30 = 4,960.45 : x
  2. Step 2: Convert to fraction form
    7,945.75/10,962.30 = 4,960.45/x
  3. Step 3: Cross multiply
    7,945.75x = 10,962.30 × 4,960.45
  4. Step 4: Simplify right side
    7,945.75x = 54,377,941.04
  5. Step 5: Solve for x
    x = 54,377,941.04/7,945.75
  6. Step 6: Final answer
    x = 6,843.65

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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.