Home / 4,529.74-6,785.76-3,120.83

Finding the Fourth Proportional to 4,529.74, 6,785.76 and 3,120.83

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Solution

The fourth proportional to 4,529.74, 6,785.76 and 3,120.83 is: 4,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.74 : 6,785.76 = 3,120.83 : x
  2. Step 2: Convert to fraction form
    4,529.74/6,785.76 = 3,120.83/x
  3. Step 3: Cross multiply
    4,529.74x = 6,785.76 × 3,120.83
  4. Step 4: Simplify right side
    4,529.74x = 21,177,211.76
  5. Step 5: Solve for x
    x = 21,177,211.76/4,529.74
  6. Step 6: Final answer
    x = 4,675.15

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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.