Home / 5,709.24-7,876.74-3,819.93

Finding the Fourth Proportional to 5,709.24, 7,876.74 and 3,819.93

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Solution

The fourth proportional to 5,709.24, 7,876.74 and 3,819.93 is: 5,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.24 : 7,876.74 = 3,819.93 : x
  2. Step 2: Convert to fraction form
    5,709.24/7,876.74 = 3,819.93/x
  3. Step 3: Cross multiply
    5,709.24x = 7,876.74 × 3,819.93
  4. Step 4: Simplify right side
    5,709.24x = 30,088,595.43
  5. Step 5: Solve for x
    x = 30,088,595.43/5,709.24
  6. Step 6: Final answer
    x = 5,270.16

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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.