Home / 5,257.97-7,885.58-1,559.21

Finding the Fourth Proportional to 5,257.97, 7,885.58 and 1,559.21

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Solution

The fourth proportional to 5,257.97, 7,885.58 and 1,559.21 is: 2,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.97 : 7,885.58 = 1,559.21 : x
  2. Step 2: Convert to fraction form
    5,257.97/7,885.58 = 1,559.21/x
  3. Step 3: Cross multiply
    5,257.97x = 7,885.58 × 1,559.21
  4. Step 4: Simplify right side
    5,257.97x = 12,295,227.97
  5. Step 5: Solve for x
    x = 12,295,227.97/5,257.97
  6. Step 6: Final answer
    x = 2,338.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.