Home / 4,292.64-6,439.52-1,369.92

Finding the Fourth Proportional to 4,292.64, 6,439.52 and 1,369.92

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Solution

The fourth proportional to 4,292.64, 6,439.52 and 1,369.92 is: 2,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.64 : 6,439.52 = 1,369.92 : x
  2. Step 2: Convert to fraction form
    4,292.64/6,439.52 = 1,369.92/x
  3. Step 3: Cross multiply
    4,292.64x = 6,439.52 × 1,369.92
  4. Step 4: Simplify right side
    4,292.64x = 8,821,627.24
  5. Step 5: Solve for x
    x = 8,821,627.24/4,292.64
  6. Step 6: Final answer
    x = 2,055.06

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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.