Home / 7,507.91-10,360.79-4,150.64

Finding the Fourth Proportional to 7,507.91, 10,360.79 and 4,150.64

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Solution

The fourth proportional to 7,507.91, 10,360.79 and 4,150.64 is: 5,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.91 : 10,360.79 = 4,150.64 : x
  2. Step 2: Convert to fraction form
    7,507.91/10,360.79 = 4,150.64/x
  3. Step 3: Cross multiply
    7,507.91x = 10,360.79 × 4,150.64
  4. Step 4: Simplify right side
    7,507.91x = 43,003,945.68
  5. Step 5: Solve for x
    x = 43,003,945.68/7,507.91
  6. Step 6: Final answer
    x = 5,727.82

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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.