Home / 5,257.05-7,886.36-1,558.85

Finding the Fourth Proportional to 5,257.05, 7,886.36 and 1,558.85

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Solution

The fourth proportional to 5,257.05, 7,886.36 and 1,558.85 is: 2,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.05 : 7,886.36 = 1,558.85 : x
  2. Step 2: Convert to fraction form
    5,257.05/7,886.36 = 1,558.85/x
  3. Step 3: Cross multiply
    5,257.05x = 7,886.36 × 1,558.85
  4. Step 4: Simplify right side
    5,257.05x = 12,293,616.75
  5. Step 5: Solve for x
    x = 12,293,616.75/5,257.05
  6. Step 6: Final answer
    x = 2,338.50

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Half scale
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Double scale
Find fourth proportional to 5,258.05, 7,887.86 and 1,559.85
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.