Home / 5,709.26-7,876.57-3,350.54

Finding the Fourth Proportional to 5,709.26, 7,876.57 and 3,350.54

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Solution

The fourth proportional to 5,709.26, 7,876.57 and 3,350.54 is: 4,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.26 : 7,876.57 = 3,350.54 : x
  2. Step 2: Convert to fraction form
    5,709.26/7,876.57 = 3,350.54/x
  3. Step 3: Cross multiply
    5,709.26x = 7,876.57 × 3,350.54
  4. Step 4: Simplify right side
    5,709.26x = 26,390,762.85
  5. Step 5: Solve for x
    x = 26,390,762.85/5,709.26
  6. Step 6: Final answer
    x = 4,622.45

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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.