Home / 7,426.88-10,249.09-4,069.81

Finding the Fourth Proportional to 7,426.88, 10,249.09 and 4,069.81

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Solution

The fourth proportional to 7,426.88, 10,249.09 and 4,069.81 is: 5,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.88 : 10,249.09 = 4,069.81 : x
  2. Step 2: Convert to fraction form
    7,426.88/10,249.09 = 4,069.81/x
  3. Step 3: Cross multiply
    7,426.88x = 10,249.09 × 4,069.81
  4. Step 4: Simplify right side
    7,426.88x = 41,711,851.61
  5. Step 5: Solve for x
    x = 41,711,851.61/7,426.88
  6. Step 6: Final answer
    x = 5,616.34

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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.