Home / 6,707.05-9,255.73-3,722.88

Finding the Fourth Proportional to 6,707.05, 9,255.73 and 3,722.88

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Solution

The fourth proportional to 6,707.05, 9,255.73 and 3,722.88 is: 5,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.05 : 9,255.73 = 3,722.88 : x
  2. Step 2: Convert to fraction form
    6,707.05/9,255.73 = 3,722.88/x
  3. Step 3: Cross multiply
    6,707.05x = 9,255.73 × 3,722.88
  4. Step 4: Simplify right side
    6,707.05x = 34,457,972.10
  5. Step 5: Solve for x
    x = 34,457,972.10/6,707.05
  6. Step 6: Final answer
    x = 5,137.57

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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.