Home / 7,639.75-11,444.71-5,267.41

Finding the Fourth Proportional to 7,639.75, 11,444.71 and 5,267.41

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Solution

The fourth proportional to 7,639.75, 11,444.71 and 5,267.41 is: 7,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.75 : 11,444.71 = 5,267.41 : x
  2. Step 2: Convert to fraction form
    7,639.75/11,444.71 = 5,267.41/x
  3. Step 3: Cross multiply
    7,639.75x = 11,444.71 × 5,267.41
  4. Step 4: Simplify right side
    7,639.75x = 60,283,979.90
  5. Step 5: Solve for x
    x = 60,283,979.90/7,639.75
  6. Step 6: Final answer
    x = 7,890.83

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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.