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Finding the Fourth Proportional to 6,192, 9,288.54 and 1,575

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Solution

The fourth proportional to 6,192, 9,288.54 and 1,575 is: 2,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192 : 9,288.54 = 1,575 : x
  2. Step 2: Convert to fraction form
    6,192/9,288.54 = 1,575/x
  3. Step 3: Cross multiply
    6,192x = 9,288.54 × 1,575
  4. Step 4: Simplify right side
    6,192x = 14,629,450.50
  5. Step 5: Solve for x
    x = 14,629,450.50/6,192
  6. Step 6: Final answer
    x = 2,362.64

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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.