Home / 7,106.30-10,659.72-2,663.49

Finding the Fourth Proportional to 7,106.30, 10,659.72 and 2,663.49

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Solution

The fourth proportional to 7,106.30, 10,659.72 and 2,663.49 is: 3,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.30 : 10,659.72 = 2,663.49 : x
  2. Step 2: Convert to fraction form
    7,106.30/10,659.72 = 2,663.49/x
  3. Step 3: Cross multiply
    7,106.30x = 10,659.72 × 2,663.49
  4. Step 4: Simplify right side
    7,106.30x = 28,392,057.62
  5. Step 5: Solve for x
    x = 28,392,057.62/7,106.30
  6. Step 6: Final answer
    x = 3,995.34

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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.