Home / 8,224.28-12,314.58-6,427.46

Finding the Fourth Proportional to 8,224.28, 12,314.58 and 6,427.46

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Solution

The fourth proportional to 8,224.28, 12,314.58 and 6,427.46 is: 9,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.28 : 12,314.58 = 6,427.46 : x
  2. Step 2: Convert to fraction form
    8,224.28/12,314.58 = 6,427.46/x
  3. Step 3: Cross multiply
    8,224.28x = 12,314.58 × 6,427.46
  4. Step 4: Simplify right side
    8,224.28x = 79,151,470.37
  5. Step 5: Solve for x
    x = 79,151,470.37/8,224.28
  6. Step 6: Final answer
    x = 9,624.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.