Home / 8,467.12-11,685.33-4,930.12

Finding the Fourth Proportional to 8,467.12, 11,685.33 and 4,930.12

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Solution

The fourth proportional to 8,467.12, 11,685.33 and 4,930.12 is: 6,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.12 : 11,685.33 = 4,930.12 : x
  2. Step 2: Convert to fraction form
    8,467.12/11,685.33 = 4,930.12/x
  3. Step 3: Cross multiply
    8,467.12x = 11,685.33 × 4,930.12
  4. Step 4: Simplify right side
    8,467.12x = 57,610,079.14
  5. Step 5: Solve for x
    x = 57,610,079.14/8,467.12
  6. Step 6: Final answer
    x = 6,803.98

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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.