Home / 8,148.64-12,222.96-4,252.14

Finding the Fourth Proportional to 8,148.64, 12,222.96 and 4,252.14

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Solution

The fourth proportional to 8,148.64, 12,222.96 and 4,252.14 is: 6,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.64 : 12,222.96 = 4,252.14 : x
  2. Step 2: Convert to fraction form
    8,148.64/12,222.96 = 4,252.14/x
  3. Step 3: Cross multiply
    8,148.64x = 12,222.96 × 4,252.14
  4. Step 4: Simplify right side
    8,148.64x = 51,973,676.02
  5. Step 5: Solve for x
    x = 51,973,676.02/8,148.64
  6. Step 6: Final answer
    x = 6,378.20

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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.