Home / 7,131.64-9,838.35-4,614.56

Finding the Fourth Proportional to 7,131.64, 9,838.35 and 4,614.56

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Solution

The fourth proportional to 7,131.64, 9,838.35 and 4,614.56 is: 6,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.64 : 9,838.35 = 4,614.56 : x
  2. Step 2: Convert to fraction form
    7,131.64/9,838.35 = 4,614.56/x
  3. Step 3: Cross multiply
    7,131.64x = 9,838.35 × 4,614.56
  4. Step 4: Simplify right side
    7,131.64x = 45,399,653.87
  5. Step 5: Solve for x
    x = 45,399,653.87/7,131.64
  6. Step 6: Final answer
    x = 6,365.95

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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.