Home / 5,705.91-8,557.23-2,195.67

Finding the Fourth Proportional to 5,705.91, 8,557.23 and 2,195.67

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Solution

The fourth proportional to 5,705.91, 8,557.23 and 2,195.67 is: 3,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.91 : 8,557.23 = 2,195.67 : x
  2. Step 2: Convert to fraction form
    5,705.91/8,557.23 = 2,195.67/x
  3. Step 3: Cross multiply
    5,705.91x = 8,557.23 × 2,195.67
  4. Step 4: Simplify right side
    5,705.91x = 18,788,853.19
  5. Step 5: Solve for x
    x = 18,788,853.19/5,705.91
  6. Step 6: Final answer
    x = 3,292.88

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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.