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Finding the Fourth Proportional to 8,353.40, 11,528.92 and 4,815.92

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Solution

The fourth proportional to 8,353.40, 11,528.92 and 4,815.92 is: 6,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.40 : 11,528.92 = 4,815.92 : x
  2. Step 2: Convert to fraction form
    8,353.40/11,528.92 = 4,815.92/x
  3. Step 3: Cross multiply
    8,353.40x = 11,528.92 × 4,815.92
  4. Step 4: Simplify right side
    8,353.40x = 55,522,356.41
  5. Step 5: Solve for x
    x = 55,522,356.41/8,353.40
  6. Step 6: Final answer
    x = 6,646.68

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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.