Home / 8,288.88-11,432.79-5,455.34

Finding the Fourth Proportional to 8,288.88, 11,432.79 and 5,455.34

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Solution

The fourth proportional to 8,288.88, 11,432.79 and 5,455.34 is: 7,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.88 : 11,432.79 = 5,455.34 : x
  2. Step 2: Convert to fraction form
    8,288.88/11,432.79 = 5,455.34/x
  3. Step 3: Cross multiply
    8,288.88x = 11,432.79 × 5,455.34
  4. Step 4: Simplify right side
    8,288.88x = 62,369,699.43
  5. Step 5: Solve for x
    x = 62,369,699.43/8,288.88
  6. Step 6: Final answer
    x = 7,524.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.