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Finding the Fourth Proportional to 8,600.52, 11,856.72 and 5,768.40

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Solution

The fourth proportional to 8,600.52, 11,856.72 and 5,768.40 is: 7,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.52 : 11,856.72 = 5,768.40 : x
  2. Step 2: Convert to fraction form
    8,600.52/11,856.72 = 5,768.40/x
  3. Step 3: Cross multiply
    8,600.52x = 11,856.72 × 5,768.40
  4. Step 4: Simplify right side
    8,600.52x = 68,394,303.65
  5. Step 5: Solve for x
    x = 68,394,303.65/8,600.52
  6. Step 6: Final answer
    x = 7,952.35

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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.