Home / 6,907.50-10,348.97-3,979.76

Finding the Fourth Proportional to 6,907.50, 10,348.97 and 3,979.76

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Solution

The fourth proportional to 6,907.50, 10,348.97 and 3,979.76 is: 5,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.50 : 10,348.97 = 3,979.76 : x
  2. Step 2: Convert to fraction form
    6,907.50/10,348.97 = 3,979.76/x
  3. Step 3: Cross multiply
    6,907.50x = 10,348.97 × 3,979.76
  4. Step 4: Simplify right side
    6,907.50x = 41,186,345.20
  5. Step 5: Solve for x
    x = 41,186,345.20/6,907.50
  6. Step 6: Final answer
    x = 5,962.55

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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.