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Finding the Fourth Proportional to 5,283.93, 7,925.96 and 1,388.73

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Solution

The fourth proportional to 5,283.93, 7,925.96 and 1,388.73 is: 2,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.93 : 7,925.96 = 1,388.73 : x
  2. Step 2: Convert to fraction form
    5,283.93/7,925.96 = 1,388.73/x
  3. Step 3: Cross multiply
    5,283.93x = 7,925.96 × 1,388.73
  4. Step 4: Simplify right side
    5,283.93x = 11,007,018.43
  5. Step 5: Solve for x
    x = 11,007,018.43/5,283.93
  6. Step 6: Final answer
    x = 2,083.11

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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.