Home / 4,062.30-5,609.76-2,990.67

Finding the Fourth Proportional to 4,062.30, 5,609.76 and 2,990.67

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Solution

The fourth proportional to 4,062.30, 5,609.76 and 2,990.67 is: 4,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.30 : 5,609.76 = 2,990.67 : x
  2. Step 2: Convert to fraction form
    4,062.30/5,609.76 = 2,990.67/x
  3. Step 3: Cross multiply
    4,062.30x = 5,609.76 × 2,990.67
  4. Step 4: Simplify right side
    4,062.30x = 16,776,940.94
  5. Step 5: Solve for x
    x = 16,776,940.94/4,062.30
  6. Step 6: Final answer
    x = 4,129.91

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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.