Home / 4,804.98-6,631.38-2,815.62

Finding the Fourth Proportional to 4,804.98, 6,631.38 and 2,815.62

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Solution

The fourth proportional to 4,804.98, 6,631.38 and 2,815.62 is: 3,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.98 : 6,631.38 = 2,815.62 : x
  2. Step 2: Convert to fraction form
    4,804.98/6,631.38 = 2,815.62/x
  3. Step 3: Cross multiply
    4,804.98x = 6,631.38 × 2,815.62
  4. Step 4: Simplify right side
    4,804.98x = 18,671,446.16
  5. Step 5: Solve for x
    x = 18,671,446.16/4,804.98
  6. Step 6: Final answer
    x = 3,885.85

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Half scale
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Double scale
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Similar ratio
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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.