Home / 7,415.21-11,124.61-2,484.88

Finding the Fourth Proportional to 7,415.21, 11,124.61 and 2,484.88

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Solution

The fourth proportional to 7,415.21, 11,124.61 and 2,484.88 is: 3,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.21 : 11,124.61 = 2,484.88 : x
  2. Step 2: Convert to fraction form
    7,415.21/11,124.61 = 2,484.88/x
  3. Step 3: Cross multiply
    7,415.21x = 11,124.61 × 2,484.88
  4. Step 4: Simplify right side
    7,415.21x = 27,643,286.87
  5. Step 5: Solve for x
    x = 27,643,286.87/7,415.21
  6. Step 6: Final answer
    x = 3,727.92

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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.