Home / 7,422.84-10,243.23-4,436.91

Finding the Fourth Proportional to 7,422.84, 10,243.23 and 4,436.91

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Solution

The fourth proportional to 7,422.84, 10,243.23 and 4,436.91 is: 6,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.84 : 10,243.23 = 4,436.91 : x
  2. Step 2: Convert to fraction form
    7,422.84/10,243.23 = 4,436.91/x
  3. Step 3: Cross multiply
    7,422.84x = 10,243.23 × 4,436.91
  4. Step 4: Simplify right side
    7,422.84x = 45,448,272.98
  5. Step 5: Solve for x
    x = 45,448,272.98/7,422.84
  6. Step 6: Final answer
    x = 6,122.76

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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.