Home / 5,628.92-7,767.56-3,391.52

Finding the Fourth Proportional to 5,628.92, 7,767.56 and 3,391.52

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Solution

The fourth proportional to 5,628.92, 7,767.56 and 3,391.52 is: 4,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.92 : 7,767.56 = 3,391.52 : x
  2. Step 2: Convert to fraction form
    5,628.92/7,767.56 = 3,391.52/x
  3. Step 3: Cross multiply
    5,628.92x = 7,767.56 × 3,391.52
  4. Step 4: Simplify right side
    5,628.92x = 26,343,804.73
  5. Step 5: Solve for x
    x = 26,343,804.73/5,628.92
  6. Step 6: Final answer
    x = 4,680.09

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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.