Home / 4,470.26-6,705.39-1,392.50

Finding the Fourth Proportional to 4,470.26, 6,705.39 and 1,392.50

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Solution

The fourth proportional to 4,470.26, 6,705.39 and 1,392.50 is: 2,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.26 : 6,705.39 = 1,392.50 : x
  2. Step 2: Convert to fraction form
    4,470.26/6,705.39 = 1,392.50/x
  3. Step 3: Cross multiply
    4,470.26x = 6,705.39 × 1,392.50
  4. Step 4: Simplify right side
    4,470.26x = 9,337,255.58
  5. Step 5: Solve for x
    x = 9,337,255.58/4,470.26
  6. Step 6: Final answer
    x = 2,088.75

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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.