Home / 5,455.04-8,182.10-2,167.25

Finding the Fourth Proportional to 5,455.04, 8,182.10 and 2,167.25

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Solution

The fourth proportional to 5,455.04, 8,182.10 and 2,167.25 is: 3,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.04 : 8,182.10 = 2,167.25 : x
  2. Step 2: Convert to fraction form
    5,455.04/8,182.10 = 2,167.25/x
  3. Step 3: Cross multiply
    5,455.04x = 8,182.10 × 2,167.25
  4. Step 4: Simplify right side
    5,455.04x = 17,732,604.48
  5. Step 5: Solve for x
    x = 17,732,604.48/5,455.04
  6. Step 6: Final answer
    x = 3,250.69

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Half scale
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Double scale
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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.