Home / 4,265.06-6,398.30-1,342.79

Finding the Fourth Proportional to 4,265.06, 6,398.30 and 1,342.79

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Solution

The fourth proportional to 4,265.06, 6,398.30 and 1,342.79 is: 2,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.06 : 6,398.30 = 1,342.79 : x
  2. Step 2: Convert to fraction form
    4,265.06/6,398.30 = 1,342.79/x
  3. Step 3: Cross multiply
    4,265.06x = 6,398.30 × 1,342.79
  4. Step 4: Simplify right side
    4,265.06x = 8,591,544.62
  5. Step 5: Solve for x
    x = 8,591,544.62/4,265.06
  6. Step 6: Final answer
    x = 2,014.40

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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.