Home / 7,747.63-10,719.87-6,754.97

Finding the Fourth Proportional to 7,747.63, 10,719.87 and 6,754.97

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Solution

The fourth proportional to 7,747.63, 10,719.87 and 6,754.97 is: 9,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.63 : 10,719.87 = 6,754.97 : x
  2. Step 2: Convert to fraction form
    7,747.63/10,719.87 = 6,754.97/x
  3. Step 3: Cross multiply
    7,747.63x = 10,719.87 × 6,754.97
  4. Step 4: Simplify right side
    7,747.63x = 72,412,400.25
  5. Step 5: Solve for x
    x = 72,412,400.25/7,747.63
  6. Step 6: Final answer
    x = 9,346.40

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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.