Home / 8,404.36-12,614.32-4,247.30

Finding the Fourth Proportional to 8,404.36, 12,614.32 and 4,247.30

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Solution

The fourth proportional to 8,404.36, 12,614.32 and 4,247.30 is: 6,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.36 : 12,614.32 = 4,247.30 : x
  2. Step 2: Convert to fraction form
    8,404.36/12,614.32 = 4,247.30/x
  3. Step 3: Cross multiply
    8,404.36x = 12,614.32 × 4,247.30
  4. Step 4: Simplify right side
    8,404.36x = 53,576,801.34
  5. Step 5: Solve for x
    x = 53,576,801.34/8,404.36
  6. Step 6: Final answer
    x = 6,374.88

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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.