Home / 4,132.86-6,199.20-1,358.40

Finding the Fourth Proportional to 4,132.86, 6,199.20 and 1,358.40

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Solution

The fourth proportional to 4,132.86, 6,199.20 and 1,358.40 is: 2,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.86 : 6,199.20 = 1,358.40 : x
  2. Step 2: Convert to fraction form
    4,132.86/6,199.20 = 1,358.40/x
  3. Step 3: Cross multiply
    4,132.86x = 6,199.20 × 1,358.40
  4. Step 4: Simplify right side
    4,132.86x = 8,421,016.53
  5. Step 5: Solve for x
    x = 8,421,016.53/4,132.86
  6. Step 6: Final answer
    x = 2,037.58

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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.