Home / 8,437.86-12,660.48-3,247.38

Finding the Fourth Proportional to 8,437.86, 12,660.48 and 3,247.38

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Solution

The fourth proportional to 8,437.86, 12,660.48 and 3,247.38 is: 4,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.86 : 12,660.48 = 3,247.38 : x
  2. Step 2: Convert to fraction form
    8,437.86/12,660.48 = 3,247.38/x
  3. Step 3: Cross multiply
    8,437.86x = 12,660.48 × 3,247.38
  4. Step 4: Simplify right side
    8,437.86x = 41,113,389.54
  5. Step 5: Solve for x
    x = 41,113,389.54/8,437.86
  6. Step 6: Final answer
    x = 4,872.49

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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.