Home / 4,286.85-6,430.75-1,364.47

Finding the Fourth Proportional to 4,286.85, 6,430.75 and 1,364.47

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Solution

The fourth proportional to 4,286.85, 6,430.75 and 1,364.47 is: 2,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.85 : 6,430.75 = 1,364.47 : x
  2. Step 2: Convert to fraction form
    4,286.85/6,430.75 = 1,364.47/x
  3. Step 3: Cross multiply
    4,286.85x = 6,430.75 × 1,364.47
  4. Step 4: Simplify right side
    4,286.85x = 8,774,565.45
  5. Step 5: Solve for x
    x = 8,774,565.45/4,286.85
  6. Step 6: Final answer
    x = 2,046.86

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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.