Home / 7,786.61-10,745.35-4,249.88

Finding the Fourth Proportional to 7,786.61, 10,745.35 and 4,249.88

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Solution

The fourth proportional to 7,786.61, 10,745.35 and 4,249.88 is: 5,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.61 : 10,745.35 = 4,249.88 : x
  2. Step 2: Convert to fraction form
    7,786.61/10,745.35 = 4,249.88/x
  3. Step 3: Cross multiply
    7,786.61x = 10,745.35 × 4,249.88
  4. Step 4: Simplify right side
    7,786.61x = 45,666,383.71
  5. Step 5: Solve for x
    x = 45,666,383.71/7,786.61
  6. Step 6: Final answer
    x = 5,864.74

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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.