Home / 7,422.84-11,134.80-2,493.72

Finding the Fourth Proportional to 7,422.84, 11,134.80 and 2,493.72

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Solution

The fourth proportional to 7,422.84, 11,134.80 and 2,493.72 is: 3,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.84 : 11,134.80 = 2,493.72 : x
  2. Step 2: Convert to fraction form
    7,422.84/11,134.80 = 2,493.72/x
  3. Step 3: Cross multiply
    7,422.84x = 11,134.80 × 2,493.72
  4. Step 4: Simplify right side
    7,422.84x = 27,767,073.46
  5. Step 5: Solve for x
    x = 27,767,073.46/7,422.84
  6. Step 6: Final answer
    x = 3,740.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.