Home / 4,660.70-6,990.34-2,319.94

Finding the Fourth Proportional to 4,660.70, 6,990.34 and 2,319.94

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Solution

The fourth proportional to 4,660.70, 6,990.34 and 2,319.94 is: 3,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.70 : 6,990.34 = 2,319.94 : x
  2. Step 2: Convert to fraction form
    4,660.70/6,990.34 = 2,319.94/x
  3. Step 3: Cross multiply
    4,660.70x = 6,990.34 × 2,319.94
  4. Step 4: Simplify right side
    4,660.70x = 16,217,169.38
  5. Step 5: Solve for x
    x = 16,217,169.38/4,660.70
  6. Step 6: Final answer
    x = 3,479.56

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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.