Home / 8,436.42-11,652.59-6,321.41

Finding the Fourth Proportional to 8,436.42, 11,652.59 and 6,321.41

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Solution

The fourth proportional to 8,436.42, 11,652.59 and 6,321.41 is: 8,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.42 : 11,652.59 = 6,321.41 : x
  2. Step 2: Convert to fraction form
    8,436.42/11,652.59 = 6,321.41/x
  3. Step 3: Cross multiply
    8,436.42x = 11,652.59 × 6,321.41
  4. Step 4: Simplify right side
    8,436.42x = 73,660,800.19
  5. Step 5: Solve for x
    x = 73,660,800.19/8,436.42
  6. Step 6: Final answer
    x = 8,731.29

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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.