Home / 7,133.72-9,844.56-4,109.24

Finding the Fourth Proportional to 7,133.72, 9,844.56 and 4,109.24

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Solution

The fourth proportional to 7,133.72, 9,844.56 and 4,109.24 is: 5,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.72 : 9,844.56 = 4,109.24 : x
  2. Step 2: Convert to fraction form
    7,133.72/9,844.56 = 4,109.24/x
  3. Step 3: Cross multiply
    7,133.72x = 9,844.56 × 4,109.24
  4. Step 4: Simplify right side
    7,133.72x = 40,453,659.73
  5. Step 5: Solve for x
    x = 40,453,659.73/7,133.72
  6. Step 6: Final answer
    x = 5,670.77

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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.