Home / 4,392.75-6,589.79-1,470.38

Finding the Fourth Proportional to 4,392.75, 6,589.79 and 1,470.38

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Solution

The fourth proportional to 4,392.75, 6,589.79 and 1,470.38 is: 2,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.75 : 6,589.79 = 1,470.38 : x
  2. Step 2: Convert to fraction form
    4,392.75/6,589.79 = 1,470.38/x
  3. Step 3: Cross multiply
    4,392.75x = 6,589.79 × 1,470.38
  4. Step 4: Simplify right side
    4,392.75x = 9,689,460.63
  5. Step 5: Solve for x
    x = 9,689,460.63/4,392.75
  6. Step 6: Final answer
    x = 2,205.78

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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.