Home / 4,286.88-6,430.95-1,364.49

Finding the Fourth Proportional to 4,286.88, 6,430.95 and 1,364.49

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Solution

The fourth proportional to 4,286.88, 6,430.95 and 1,364.49 is: 2,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.88 : 6,430.95 = 1,364.49 : x
  2. Step 2: Convert to fraction form
    4,286.88/6,430.95 = 1,364.49/x
  3. Step 3: Cross multiply
    4,286.88x = 6,430.95 × 1,364.49
  4. Step 4: Simplify right side
    4,286.88x = 8,774,966.97
  5. Step 5: Solve for x
    x = 8,774,966.97/4,286.88
  6. Step 6: Final answer
    x = 2,046.94

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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.