Home / 4,195.40-6,288.54-1,972.86

Finding the Fourth Proportional to 4,195.40, 6,288.54 and 1,972.86

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Solution

The fourth proportional to 4,195.40, 6,288.54 and 1,972.86 is: 2,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.40 : 6,288.54 = 1,972.86 : x
  2. Step 2: Convert to fraction form
    4,195.40/6,288.54 = 1,972.86/x
  3. Step 3: Cross multiply
    4,195.40x = 6,288.54 × 1,972.86
  4. Step 4: Simplify right side
    4,195.40x = 12,406,378.04
  5. Step 5: Solve for x
    x = 12,406,378.04/4,195.40
  6. Step 6: Final answer
    x = 2,957.14

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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.