Home / 8,360.45-12,540.84-2,437.78

Finding the Fourth Proportional to 8,360.45, 12,540.84 and 2,437.78

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Solution

The fourth proportional to 8,360.45, 12,540.84 and 2,437.78 is: 3,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.45 : 12,540.84 = 2,437.78 : x
  2. Step 2: Convert to fraction form
    8,360.45/12,540.84 = 2,437.78/x
  3. Step 3: Cross multiply
    8,360.45x = 12,540.84 × 2,437.78
  4. Step 4: Simplify right side
    8,360.45x = 30,571,777.58
  5. Step 5: Solve for x
    x = 30,571,777.58/8,360.45
  6. Step 6: Final answer
    x = 3,656.72

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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.