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Finding the Fourth Proportional to 8,610.88, 11,883.04 and 5,624.88

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Solution

The fourth proportional to 8,610.88, 11,883.04 and 5,624.88 is: 7,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.88 : 11,883.04 = 5,624.88 : x
  2. Step 2: Convert to fraction form
    8,610.88/11,883.04 = 5,624.88/x
  3. Step 3: Cross multiply
    8,610.88x = 11,883.04 × 5,624.88
  4. Step 4: Simplify right side
    8,610.88x = 66,840,674.04
  5. Step 5: Solve for x
    x = 66,840,674.04/8,610.88
  6. Step 6: Final answer
    x = 7,762.35

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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.