Home / 5,445.45-8,167.36-1,747.18

Finding the Fourth Proportional to 5,445.45, 8,167.36 and 1,747.18

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Solution

The fourth proportional to 5,445.45, 8,167.36 and 1,747.18 is: 2,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.45 : 8,167.36 = 1,747.18 : x
  2. Step 2: Convert to fraction form
    5,445.45/8,167.36 = 1,747.18/x
  3. Step 3: Cross multiply
    5,445.45x = 8,167.36 × 1,747.18
  4. Step 4: Simplify right side
    5,445.45x = 14,269,848.04
  5. Step 5: Solve for x
    x = 14,269,848.04/5,445.45
  6. Step 6: Final answer
    x = 2,620.51

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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.