Home / 4,673.64-6,449.40-2,785.18

Finding the Fourth Proportional to 4,673.64, 6,449.40 and 2,785.18

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Solution

The fourth proportional to 4,673.64, 6,449.40 and 2,785.18 is: 3,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.64 : 6,449.40 = 2,785.18 : x
  2. Step 2: Convert to fraction form
    4,673.64/6,449.40 = 2,785.18/x
  3. Step 3: Cross multiply
    4,673.64x = 6,449.40 × 2,785.18
  4. Step 4: Simplify right side
    4,673.64x = 17,962,729.45
  5. Step 5: Solve for x
    x = 17,962,729.45/4,673.64
  6. Step 6: Final answer
    x = 3,843.41

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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.