Home / 4,958.60-7,438.76-1,671.72

Finding the Fourth Proportional to 4,958.60, 7,438.76 and 1,671.72

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Solution

The fourth proportional to 4,958.60, 7,438.76 and 1,671.72 is: 2,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.60 : 7,438.76 = 1,671.72 : x
  2. Step 2: Convert to fraction form
    4,958.60/7,438.76 = 1,671.72/x
  3. Step 3: Cross multiply
    4,958.60x = 7,438.76 × 1,671.72
  4. Step 4: Simplify right side
    4,958.60x = 12,435,528.05
  5. Step 5: Solve for x
    x = 12,435,528.05/4,958.60
  6. Step 6: Final answer
    x = 2,507.87

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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.