Home / 4,909.45-6,776.01-2,785.02

Finding the Fourth Proportional to 4,909.45, 6,776.01 and 2,785.02

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Solution

The fourth proportional to 4,909.45, 6,776.01 and 2,785.02 is: 3,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.45 : 6,776.01 = 2,785.02 : x
  2. Step 2: Convert to fraction form
    4,909.45/6,776.01 = 2,785.02/x
  3. Step 3: Cross multiply
    4,909.45x = 6,776.01 × 2,785.02
  4. Step 4: Simplify right side
    4,909.45x = 18,871,323.37
  5. Step 5: Solve for x
    x = 18,871,323.37/4,909.45
  6. Step 6: Final answer
    x = 3,843.88

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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.