Home / 4,521.60-6,785.74-2,149.70

Finding the Fourth Proportional to 4,521.60, 6,785.74 and 2,149.70

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Solution

The fourth proportional to 4,521.60, 6,785.74 and 2,149.70 is: 3,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.60 : 6,785.74 = 2,149.70 : x
  2. Step 2: Convert to fraction form
    4,521.60/6,785.74 = 2,149.70/x
  3. Step 3: Cross multiply
    4,521.60x = 6,785.74 × 2,149.70
  4. Step 4: Simplify right side
    4,521.60x = 14,587,305.28
  5. Step 5: Solve for x
    x = 14,587,305.28/4,521.60
  6. Step 6: Final answer
    x = 3,226.14

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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.