Home / 7,419.09-10,243.36-4,731.82

Finding the Fourth Proportional to 7,419.09, 10,243.36 and 4,731.82

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Solution

The fourth proportional to 7,419.09, 10,243.36 and 4,731.82 is: 6,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.09 : 10,243.36 = 4,731.82 : x
  2. Step 2: Convert to fraction form
    7,419.09/10,243.36 = 4,731.82/x
  3. Step 3: Cross multiply
    7,419.09x = 10,243.36 × 4,731.82
  4. Step 4: Simplify right side
    7,419.09x = 48,469,716.02
  5. Step 5: Solve for x
    x = 48,469,716.02/7,419.09
  6. Step 6: Final answer
    x = 6,533.10

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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.