Home / 4,845.15-7,267.56-1,382.40

Finding the Fourth Proportional to 4,845.15, 7,267.56 and 1,382.40

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Solution

The fourth proportional to 4,845.15, 7,267.56 and 1,382.40 is: 2,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.15 : 7,267.56 = 1,382.40 : x
  2. Step 2: Convert to fraction form
    4,845.15/7,267.56 = 1,382.40/x
  3. Step 3: Cross multiply
    4,845.15x = 7,267.56 × 1,382.40
  4. Step 4: Simplify right side
    4,845.15x = 10,046,674.94
  5. Step 5: Solve for x
    x = 10,046,674.94/4,845.15
  6. Step 6: Final answer
    x = 2,073.55

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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.