Home / 4,822.76-6,653.12-3,145.62

Finding the Fourth Proportional to 4,822.76, 6,653.12 and 3,145.62

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Solution

The fourth proportional to 4,822.76, 6,653.12 and 3,145.62 is: 4,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.76 : 6,653.12 = 3,145.62 : x
  2. Step 2: Convert to fraction form
    4,822.76/6,653.12 = 3,145.62/x
  3. Step 3: Cross multiply
    4,822.76x = 6,653.12 × 3,145.62
  4. Step 4: Simplify right side
    4,822.76x = 20,928,187.33
  5. Step 5: Solve for x
    x = 20,928,187.33/4,822.76
  6. Step 6: Final answer
    x = 4,339.46

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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.