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Finding the Fourth Proportional to 6,324.12, 9,477 and 4,347.72

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Solution

The fourth proportional to 6,324.12, 9,477 and 4,347.72 is: 6,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.12 : 9,477 = 4,347.72 : x
  2. Step 2: Convert to fraction form
    6,324.12/9,477 = 4,347.72/x
  3. Step 3: Cross multiply
    6,324.12x = 9,477 × 4,347.72
  4. Step 4: Simplify right side
    6,324.12x = 41,203,342.44
  5. Step 5: Solve for x
    x = 41,203,342.44/6,324.12
  6. Step 6: Final answer
    x = 6,515.27

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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.