Home / 5,447-8,171.46-1,749.32

Finding the Fourth Proportional to 5,447, 8,171.46 and 1,749.32

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Solution

The fourth proportional to 5,447, 8,171.46 and 1,749.32 is: 2,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447 : 8,171.46 = 1,749.32 : x
  2. Step 2: Convert to fraction form
    5,447/8,171.46 = 1,749.32/x
  3. Step 3: Cross multiply
    5,447x = 8,171.46 × 1,749.32
  4. Step 4: Simplify right side
    5,447x = 14,294,498.41
  5. Step 5: Solve for x
    x = 14,294,498.41/5,447
  6. Step 6: Final answer
    x = 2,624.29

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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.