Home / 5,553.39-8,330.51-1,855.63

Finding the Fourth Proportional to 5,553.39, 8,330.51 and 1,855.63

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Solution

The fourth proportional to 5,553.39, 8,330.51 and 1,855.63 is: 2,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.39 : 8,330.51 = 1,855.63 : x
  2. Step 2: Convert to fraction form
    5,553.39/8,330.51 = 1,855.63/x
  3. Step 3: Cross multiply
    5,553.39x = 8,330.51 × 1,855.63
  4. Step 4: Simplify right side
    5,553.39x = 15,458,328.94
  5. Step 5: Solve for x
    x = 15,458,328.94/5,553.39
  6. Step 6: Final answer
    x = 2,783.59

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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.