Home / 7,118.21-10,676.99-2,438.64

Finding the Fourth Proportional to 7,118.21, 10,676.99 and 2,438.64

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Solution

The fourth proportional to 7,118.21, 10,676.99 and 2,438.64 is: 3,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.21 : 10,676.99 = 2,438.64 : x
  2. Step 2: Convert to fraction form
    7,118.21/10,676.99 = 2,438.64/x
  3. Step 3: Cross multiply
    7,118.21x = 10,676.99 × 2,438.64
  4. Step 4: Simplify right side
    7,118.21x = 26,037,334.89
  5. Step 5: Solve for x
    x = 26,037,334.89/7,118.21
  6. Step 6: Final answer
    x = 3,657.85

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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.