Home / 4,288.76-5,920.51-3,226.93

Finding the Fourth Proportional to 4,288.76, 5,920.51 and 3,226.93

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Solution

The fourth proportional to 4,288.76, 5,920.51 and 3,226.93 is: 4,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.76 : 5,920.51 = 3,226.93 : x
  2. Step 2: Convert to fraction form
    4,288.76/5,920.51 = 3,226.93/x
  3. Step 3: Cross multiply
    4,288.76x = 5,920.51 × 3,226.93
  4. Step 4: Simplify right side
    4,288.76x = 19,105,071.33
  5. Step 5: Solve for x
    x = 19,105,071.33/4,288.76
  6. Step 6: Final answer
    x = 4,454.68

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Half scale
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Double scale
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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.