Home / 5,553.78-8,330.64-2,088.60

Finding the Fourth Proportional to 5,553.78, 8,330.64 and 2,088.60

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Solution

The fourth proportional to 5,553.78, 8,330.64 and 2,088.60 is: 3,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.78 : 8,330.64 = 2,088.60 : x
  2. Step 2: Convert to fraction form
    5,553.78/8,330.64 = 2,088.60/x
  3. Step 3: Cross multiply
    5,553.78x = 8,330.64 × 2,088.60
  4. Step 4: Simplify right side
    5,553.78x = 17,399,374.70
  5. Step 5: Solve for x
    x = 17,399,374.70/5,553.78
  6. Step 6: Final answer
    x = 3,132.89

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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.