Home / 4,292.64-6,438.90-1,371.15

Finding the Fourth Proportional to 4,292.64, 6,438.90 and 1,371.15

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Solution

The fourth proportional to 4,292.64, 6,438.90 and 1,371.15 is: 2,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.64 : 6,438.90 = 1,371.15 : x
  2. Step 2: Convert to fraction form
    4,292.64/6,438.90 = 1,371.15/x
  3. Step 3: Cross multiply
    4,292.64x = 6,438.90 × 1,371.15
  4. Step 4: Simplify right side
    4,292.64x = 8,828,697.74
  5. Step 5: Solve for x
    x = 8,828,697.74/4,292.64
  6. Step 6: Final answer
    x = 2,056.71

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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.